The version of Adobe Acrobat installed on the remote macOS host is a version prior to 2017.011.30190, 2020.001.30020, or 2021.001.20135. It is, therefore, affected by multiple vulnerabilities.

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an memory corruption vulnerability. An unauthenticated     attacker could leverage this vulnerability to cause an application denial-of-service. Exploitation of this     issue requires user interaction in that a victim must open a malicious file. (CVE-2021-21046)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a heap-based buffer overflow vulnerability. An     unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the     context of the current user. Exploitation of this issue requires user interaction in that a victim must     open a malicious file. (CVE-2021-21017)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a Path Traversal vulnerability. An unauthenticated attacker     could leverage this vulnerability to achieve arbitrary code execution in the context of the current user.
    Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-21037)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an Integer Overflow vulnerability. An unauthenticated     attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the     current user. Exploitation of this issue requires user interaction in that a victim must open a malicious     file. (CVE-2021-21036)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an improper access control vulnerability. An unauthenticated     attacker could leverage this vulnerability to elevate privileges in the context of the current user.
    (CVE-2021-21045)

  - Acrobat Reader DC versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188     (and earlier) are affected by an Out-of-bounds Read vulnerability that could lead to arbitrary disclosure     of information in the memory stack. An attacker could leverage this vulnerability to bypass mitigations     such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious     file. (CVE-2021-21042)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an Out-of-bounds Read vulnerability. An unauthenticated     attacker could leverage this vulnerability to locally elevate privileges in the context of the current     user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-21034)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an out-of-bounds Read vulnerability. An unauthenticated     attacker could leverage this vulnerability to locally escalate privileges in the context of the current     user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-21089)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to     disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such     as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-40723)

  - Acrobat Pro DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a Use-after-free vulnerability when parsing a specially     crafted PDF file. An unauthenticated attacker could leverage this vulnerability to disclose sensitive     information in the context of the current user. Exploitation of this issue requires user interaction in     that a victim must open a malicious file. (CVE-2021-21061)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an Out-of-bounds Write vulnerability when parsing a crafted     jpeg file. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code     execution in the context of the current user. Exploitation of this issue requires user interaction in that     a victim must open a malicious file. (CVE-2021-21038, CVE-2021-21044)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an Out-of-bounds Write vulnerability in the CoolType library.
    An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the     context of the current user. Exploitation of this issue requires user interaction in that a victim must     open a malicious file. (CVE-2021-21086)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a Memory corruption vulnerability when parsing a specially     crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code     execution in the context of the current user. Exploitation of this issue requires user interaction in that     a victim must open a malicious file. (CVE-2021-21058, CVE-2021-21059, CVE-2021-21062, CVE-2021-21063)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a null pointer dereference vulnerability when parsing a     specially crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve     denial of service in the context of the current user. Exploitation of this issue requires user interaction     in that a victim must open a malicious file. (CVE-2021-21057)

  - Adobe Acrobat Pro DC versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an improper input validation vulnerability. An     unauthenticated attacker could leverage this vulnerability to disclose sensitive information in the     context of the current user. Exploitation of this issue requires user interaction in that a victim must     open a malicious file. (CVE-2021-21060)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a use-after-free vulnerability. An unauthenticated attacker     could leverage this vulnerability to achieve arbitrary code execution in the context of the current user.
    Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-21041)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a Use After Free vulnerability. An unauthenticated attacker     could leverage this vulnerability to achieve arbitrary code execution in the context of the current user.
    Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-21021, CVE-2021-21028, CVE-2021-21033, CVE-2021-21035, CVE-2021-21039, CVE-2021-21040,     CVE-2021-21088)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are missing support for an integrity check. An unauthenticated attacker would     have the ability to completely manipulate data in a certified PDF without invalidating the original     certification. Exploitation of this issue requires user interaction in that a victim must open the     tampered file. (CVE-2021-28545)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are missing support for an integrity check. An unauthenticated attacker could     leverage this vulnerability to modify content in a certified PDF without invalidating the certification.
    Exploitation of this issue requires user interaction in that a victim must open the tampered file.
    (CVE-2021-28546)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Adobe Reader installed on the remote Windows host is a version prior to 2017.011.30190, 2020.001.30020, or 2021.001.20135. It is, therefore, affected by multiple vulnerabilities.

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an memory corruption vulnerability. An unauthenticated     attacker could leverage this vulnerability to cause an application denial-of-service. Exploitation of this     issue requires user interaction in that a victim must open a malicious file. (CVE-2021-21046)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a heap-based buffer overflow vulnerability. An     unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the     context of the current user. Exploitation of this issue requires user interaction in that a victim must     open a malicious file. (CVE-2021-21017)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a Path Traversal vulnerability. An unauthenticated attacker     could leverage this vulnerability to achieve arbitrary code execution in the context of the current user.
    Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-21037)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an Integer Overflow vulnerability. An unauthenticated     attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the     current user. Exploitation of this issue requires user interaction in that a victim must open a malicious     file. (CVE-2021-21036)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an improper access control vulnerability. An unauthenticated     attacker could leverage this vulnerability to elevate privileges in the context of the current user.
    (CVE-2021-21045)

  - Acrobat Reader DC versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188     (and earlier) are affected by an Out-of-bounds Read vulnerability that could lead to arbitrary disclosure     of information in the memory stack. An attacker could leverage this vulnerability to bypass mitigations     such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious     file. (CVE-2021-21042)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an Out-of-bounds Read vulnerability. An unauthenticated     attacker could leverage this vulnerability to locally elevate privileges in the context of the current     user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-21034)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an out-of-bounds Read vulnerability. An unauthenticated     attacker could leverage this vulnerability to locally escalate privileges in the context of the current     user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-21089)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to     disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such     as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-40723)

  - Acrobat Pro DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a Use-after-free vulnerability when parsing a specially     crafted PDF file. An unauthenticated attacker could leverage this vulnerability to disclose sensitive     information in the context of the current user. Exploitation of this issue requires user interaction in     that a victim must open a malicious file. (CVE-2021-21061)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an Out-of-bounds Write vulnerability when parsing a crafted     jpeg file. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code     execution in the context of the current user. Exploitation of this issue requires user interaction in that     a victim must open a malicious file. (CVE-2021-21038, CVE-2021-21044)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an Out-of-bounds Write vulnerability in the CoolType library.
    An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the     context of the current user. Exploitation of this issue requires user interaction in that a victim must     open a malicious file. (CVE-2021-21086)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a Memory corruption vulnerability when parsing a specially     crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code     execution in the context of the current user. Exploitation of this issue requires user interaction in that     a victim must open a malicious file. (CVE-2021-21058, CVE-2021-21059, CVE-2021-21062, CVE-2021-21063)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a null pointer dereference vulnerability when parsing a     specially crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve     denial of service in the context of the current user. Exploitation of this issue requires user interaction     in that a victim must open a malicious file. (CVE-2021-21057)

  - Adobe Acrobat Pro DC versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an improper input validation vulnerability. An     unauthenticated attacker could leverage this vulnerability to disclose sensitive information in the     context of the current user. Exploitation of this issue requires user interaction in that a victim must     open a malicious file. (CVE-2021-21060)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a use-after-free vulnerability. An unauthenticated attacker     could leverage this vulnerability to achieve arbitrary code execution in the context of the current user.
    Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-21041)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a Use After Free vulnerability. An unauthenticated attacker     could leverage this vulnerability to achieve arbitrary code execution in the context of the current user.
    Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-21021, CVE-2021-21028, CVE-2021-21033, CVE-2021-21035, CVE-2021-21039, CVE-2021-21040,     CVE-2021-21088)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are missing support for an integrity check. An unauthenticated attacker would     have the ability to completely manipulate data in a certified PDF without invalidating the original     certification. Exploitation of this issue requires user interaction in that a victim must open the     tampered file. (CVE-2021-28545)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are missing support for an integrity check. An unauthenticated attacker could     leverage this vulnerability to modify content in a certified PDF without invalidating the certification.
    Exploitation of this issue requires user interaction in that a victim must open the tampered file.
    (CVE-2021-28546)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Adobe Acrobat installed on the remote Windows host is a version prior to 2017.011.30190, 2020.001.30020, or 2021.001.20135. It is, therefore, affected by multiple vulnerabilities.

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an memory corruption vulnerability. An unauthenticated     attacker could leverage this vulnerability to cause an application denial-of-service. Exploitation of this     issue requires user interaction in that a victim must open a malicious file. (CVE-2021-21046)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a heap-based buffer overflow vulnerability. An     unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the     context of the current user. Exploitation of this issue requires user interaction in that a victim must     open a malicious file. (CVE-2021-21017)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a Path Traversal vulnerability. An unauthenticated attacker     could leverage this vulnerability to achieve arbitrary code execution in the context of the current user.
    Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-21037)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an Integer Overflow vulnerability. An unauthenticated     attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the     current user. Exploitation of this issue requires user interaction in that a victim must open a malicious     file. (CVE-2021-21036)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an improper access control vulnerability. An unauthenticated     attacker could leverage this vulnerability to elevate privileges in the context of the current user.
    (CVE-2021-21045)

  - Acrobat Reader DC versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188     (and earlier) are affected by an Out-of-bounds Read vulnerability that could lead to arbitrary disclosure     of information in the memory stack. An attacker could leverage this vulnerability to bypass mitigations     such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious     file. (CVE-2021-21042)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an Out-of-bounds Read vulnerability. An unauthenticated     attacker could leverage this vulnerability to locally elevate privileges in the context of the current     user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-21034)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an out-of-bounds Read vulnerability. An unauthenticated     attacker could leverage this vulnerability to locally escalate privileges in the context of the current     user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-21089)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to     disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such     as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-40723)

  - Acrobat Pro DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a Use-after-free vulnerability when parsing a specially     crafted PDF file. An unauthenticated attacker could leverage this vulnerability to disclose sensitive     information in the context of the current user. Exploitation of this issue requires user interaction in     that a victim must open a malicious file. (CVE-2021-21061)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an Out-of-bounds Write vulnerability when parsing a crafted     jpeg file. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code     execution in the context of the current user. Exploitation of this issue requires user interaction in that     a victim must open a malicious file. (CVE-2021-21038, CVE-2021-21044)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an Out-of-bounds Write vulnerability in the CoolType library.
    An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the     context of the current user. Exploitation of this issue requires user interaction in that a victim must     open a malicious file. (CVE-2021-21086)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a Memory corruption vulnerability when parsing a specially     crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code     execution in the context of the current user. Exploitation of this issue requires user interaction in that     a victim must open a malicious file. (CVE-2021-21058, CVE-2021-21059, CVE-2021-21062, CVE-2021-21063)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a null pointer dereference vulnerability when parsing a     specially crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve     denial of service in the context of the current user. Exploitation of this issue requires user interaction     in that a victim must open a malicious file. (CVE-2021-21057)

  - Adobe Acrobat Pro DC versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an improper input validation vulnerability. An     unauthenticated attacker could leverage this vulnerability to disclose sensitive information in the     context of the current user. Exploitation of this issue requires user interaction in that a victim must     open a malicious file. (CVE-2021-21060)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a use-after-free vulnerability. An unauthenticated attacker     could leverage this vulnerability to achieve arbitrary code execution in the context of the current user.
    Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-21041)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a Use After Free vulnerability. An unauthenticated attacker     could leverage this vulnerability to achieve arbitrary code execution in the context of the current user.
    Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-21021, CVE-2021-21028, CVE-2021-21033, CVE-2021-21035, CVE-2021-21039, CVE-2021-21040,     CVE-2021-21088)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are missing support for an integrity check. An unauthenticated attacker would     have the ability to completely manipulate data in a certified PDF without invalidating the original     certification. Exploitation of this issue requires user interaction in that a victim must open the     tampered file. (CVE-2021-28545)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are missing support for an integrity check. An unauthenticated attacker could     leverage this vulnerability to modify content in a certified PDF without invalidating the certification.
    Exploitation of this issue requires user interaction in that a victim must open the tampered file.
    (CVE-2021-28546)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Adobe Reader installed on the remote macOS host is a version prior to 2017.011.30190, 2020.001.30020, or 2021.001.20135. It is, therefore, affected by multiple vulnerabilities.

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an memory corruption vulnerability. An unauthenticated     attacker could leverage this vulnerability to cause an application denial-of-service. Exploitation of this     issue requires user interaction in that a victim must open a malicious file. (CVE-2021-21046)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a heap-based buffer overflow vulnerability. An     unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the     context of the current user. Exploitation of this issue requires user interaction in that a victim must     open a malicious file. (CVE-2021-21017)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a Path Traversal vulnerability. An unauthenticated attacker     could leverage this vulnerability to achieve arbitrary code execution in the context of the current user.
    Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-21037)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an Integer Overflow vulnerability. An unauthenticated     attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the     current user. Exploitation of this issue requires user interaction in that a victim must open a malicious     file. (CVE-2021-21036)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an improper access control vulnerability. An unauthenticated     attacker could leverage this vulnerability to elevate privileges in the context of the current user.
    (CVE-2021-21045)

  - Acrobat Reader DC versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188     (and earlier) are affected by an Out-of-bounds Read vulnerability that could lead to arbitrary disclosure     of information in the memory stack. An attacker could leverage this vulnerability to bypass mitigations     such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious     file. (CVE-2021-21042)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an Out-of-bounds Read vulnerability. An unauthenticated     attacker could leverage this vulnerability to locally elevate privileges in the context of the current     user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-21034)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an out-of-bounds Read vulnerability. An unauthenticated     attacker could leverage this vulnerability to locally escalate privileges in the context of the current     user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-21089)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to     disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such     as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-40723)

  - Acrobat Pro DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a Use-after-free vulnerability when parsing a specially     crafted PDF file. An unauthenticated attacker could leverage this vulnerability to disclose sensitive     information in the context of the current user. Exploitation of this issue requires user interaction in     that a victim must open a malicious file. (CVE-2021-21061)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an Out-of-bounds Write vulnerability when parsing a crafted     jpeg file. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code     execution in the context of the current user. Exploitation of this issue requires user interaction in that     a victim must open a malicious file. (CVE-2021-21038, CVE-2021-21044)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an Out-of-bounds Write vulnerability in the CoolType library.
    An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the     context of the current user. Exploitation of this issue requires user interaction in that a victim must     open a malicious file. (CVE-2021-21086)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a Memory corruption vulnerability when parsing a specially     crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code     execution in the context of the current user. Exploitation of this issue requires user interaction in that     a victim must open a malicious file. (CVE-2021-21058, CVE-2021-21059, CVE-2021-21062, CVE-2021-21063)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a null pointer dereference vulnerability when parsing a     specially crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve     denial of service in the context of the current user. Exploitation of this issue requires user interaction     in that a victim must open a malicious file. (CVE-2021-21057)

  - Adobe Acrobat Pro DC versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by an improper input validation vulnerability. An     unauthenticated attacker could leverage this vulnerability to disclose sensitive information in the     context of the current user. Exploitation of this issue requires user interaction in that a victim must     open a malicious file. (CVE-2021-21060)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a use-after-free vulnerability. An unauthenticated attacker     could leverage this vulnerability to achieve arbitrary code execution in the context of the current user.
    Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-21041)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a Use After Free vulnerability. An unauthenticated attacker     could leverage this vulnerability to achieve arbitrary code execution in the context of the current user.
    Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-21021, CVE-2021-21028, CVE-2021-21033, CVE-2021-21035, CVE-2021-21039, CVE-2021-21040,     CVE-2021-21088)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are missing support for an integrity check. An unauthenticated attacker would     have the ability to completely manipulate data in a certified PDF without invalidating the original     certification. Exploitation of this issue requires user interaction in that a victim must open the     tampered file. (CVE-2021-28545)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are missing support for an integrity check. An unauthenticated attacker could     leverage this vulnerability to modify content in a certified PDF without invalidating the certification.
    Exploitation of this issue requires user interaction in that a victim must open the tampered file.
    (CVE-2021-28546)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
146420	Adobe Acrobat < 2017.011.30190 / 2020.001.30020 / 2021.001.20135 Multiple Vulnerabilities (APSB21-09) (macOS)	Nessus	MacOS X Local Security Checks	2/11/2021	10/22/2024	high
146422	Adobe Reader < 2017.011.30190 / 2020.001.30020 / 2021.001.20135 Multiple Vulnerabilities (APSB21-09)	Nessus	Windows	2/11/2021	10/22/2024	high
146421	Adobe Acrobat < 2017.011.30190 / 2020.001.30020 / 2021.001.20135 Multiple Vulnerabilities (APSB21-09)	Nessus	Windows	2/11/2021	10/22/2024	high
146423	Adobe Reader < 2017.011.30190 / 2020.001.30020 / 2021.001.20135 Multiple Vulnerabilities (APSB21-09) (macOS)	Nessus	MacOS X Local Security Checks	2/11/2021	10/22/2024	high

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