According to its self-reported version number, the Microsoft SharePoint application running on the remote host is affected by multiple vulnerabilities :

- A remote code execution vulnerability exists in PerformancePoint Services for SharePoint Server when the software fails to check the source markup of XML file input.

- A spoofing vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server.

- A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server.

- An information disclosure vulnerability exists when Microsoft Office software reads out of bound memory due to an uninitialized variable, which could disclose the contents of memory.

- An elevation of privilege vulnerability exists when Microsoft SharePoint Server and Skype for Business Server improperly handle OAuth token validation.

- A remote code execution vulnerability exists in the way Microsoft SharePoint software parses specially crafted email messages.

- An information disclosure vulnerability exists when Microsoft Office improperly discloses the contents of its memory.

- This vulnerability is caused when SharePoint Server does not properly sanitize a specially crafted request to an affected SharePoint server.

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

The Microsoft SharePoint Server installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities :

  - An elevation of privilege vulnerability exists when     Microsoft SharePoint Server and Skype for Business     Server improperly handle OAuth token validation. An     attacker who successfully exploited the vulnerability     could bypass authentication and achieve improper access.
    (CVE-2020-1025)

  - An information disclosure vulnerability exists when     Microsoft Office improperly discloses the contents of     its memory. An attacker who exploited the vulnerability     could use the information to compromise the users     computer or data.  (CVE-2020-1445)

  - An information disclosure vulnerability exists when     Microsoft Office software reads out of bound memory due     to an uninitialized variable, which could disclose the     contents of memory. An attacker who successfully     exploited the vulnerability could view out of bound     memory. Exploitation of the vulnerability requires that     a user open a specially crafted file with an affected     version of Microsoft Office software. The security     update addresses the vulnerability by properly     initializing the affected variable. (CVE-2020-1342)

  - A remote code execution vulnerability exists in     PerformancePoint Services for SharePoint Server when the     software fails to check the source markup of XML file     input. An attacker who successfully exploited the     vulnerability could run arbitrary code in the context of     the process responsible for deserialization of the XML     content.  (CVE-2020-1439)

  - A cross-site-scripting (XSS) vulnerability exists when     Microsoft SharePoint Server does not properly sanitize a     specially crafted web request to an affected SharePoint     server. An authenticated attacker could exploit the     vulnerability by sending a specially crafted request to     an affected SharePoint server. The attacker who     successfully exploited the vulnerability could then     perform cross-site scripting attacks on affected systems     and run script in the security context of the current     user. The attacks could allow the attacker to read     content that the attacker is not authorized to read, use     the victim's identity to take actions on the SharePoint     site on behalf of the user, such as change permissions     and delete content, and inject malicious content in the     browser of the user. The security update addresses the     vulnerability by helping to ensure that SharePoint     Server properly sanitizes web requests. (CVE-2020-1450,     CVE-2020-1451, CVE-2020-1456)

  - A spoofing vulnerability exists when Microsoft     SharePoint Server does not properly sanitize a specially     crafted web request to an affected SharePoint server. An     authenticated attacker could exploit the vulnerability     by sending a specially crafted request to an affected     SharePoint server. The attacker who successfully     exploited the vulnerability could then perform cross-     site scripting attacks on affected systems and run     script in the security context of the current user.
    These attacks could allow the attacker to read content     that the attacker is not authorized to read, use the     victim's identity to take actions on the SharePoint site     on behalf of the user, such as change permissions and     delete content, and inject malicious content in the     browser of the user. The security update addresses the     vulnerability by helping to ensure that SharePoint     Server properly sanitizes web requests. (CVE-2020-1443)

  - A remote code execution vulnerability exists in the way     Microsoft SharePoint software parses specially crafted     email messages. An attacker who successfully exploited     the vulnerability could run arbitrary code in the     context of the system user. An attacker could then     install programs; view, change, add, or delete data.
    (CVE-2020-1444)

  - This vulnerability is caused when SharePoint Server does     not properly sanitize a specially crafted request to an     affected SharePoint server. An authenticated attacker     could exploit this vulnerability by sending a specially     crafted request to an affected SharePoint server. The     attacker who successfully exploited this vulnerability     could then perform cross-site scripting attacks on     affected systems and run script in the security context     of the current user. These attacks could allow the     attacker to read content that the attacker is not     authorized to read, use the victim's identity to take     actions on the SharePoint site on behalf of the victim,     such as change permissions, delete content, steal     sensitive information (such as browser cookies) and     inject malicious content in the browser of the victim.
    For this vulnerability to be exploited, a user must     click a specially crafted URL that takes the user to a     targeted SharePoint Web App site. In an email attack     scenario, an attacker could exploit the vulnerability by     sending an email message containing the specially     crafted URL to the user of the targeted SharePoint Web     App site and convincing the user to click the specially     crafted URL.  (CVE-2020-1454)

  - A remote code execution vulnerability exists in     Microsoft Word software when it fails to properly handle     objects in memory. An attacker who successfully     exploited the vulnerability could use a specially     crafted file to perform actions in the security context     of the current user. For example, the file could then     take actions on behalf of the logged-on user with the     same permissions as the current user.  (CVE-2020-1446,     CVE-2020-1447, CVE-2020-1448)

  - A remote code execution vulnerability exists in .NET     Framework, Microsoft SharePoint, and Visual Studio when     the software fails to check the source markup of XML     file input. An attacker who successfully exploited the     vulnerability could run arbitrary code in the context of     the process responsible for deserialization of the XML     content.  (CVE-2020-1147)

The Microsoft Skype for Business installation on the remote host is missing a security update. It is, therefore, affected by the following vulnerability :

  - An elevation of privilege vulnerability exists when     Microsoft SharePoint Server and Skype for Business     Server improperly handle OAuth token validation. An     attacker who successfully exploited the vulnerability     could bypass authentication and achieve improper access.
    (CVE-2020-1025)

ID	Name	Product	Family	Published	Updated	Severity
112591	Microsoft SharePoint Server 2013 < 15.0.5259.1001 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	9/9/2020	3/14/2023	critical
112590	Microsoft SharePoint Server 2016 < 16.0.5032.1002 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	9/9/2020	3/14/2023	critical
112592	Microsoft SharePoint Server 2019 < 16.0.10363.12107 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	9/9/2020	3/14/2023	critical
112593	Microsoft SharePoint Server 2010 < 14.0.7255.5000 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	9/9/2020	3/14/2023	critical
138512	Security Updates for Microsoft SharePoint Server (July 2020)	Nessus	Windows : Microsoft Bulletins	7/15/2020	6/6/2024	critical
139314	Security Updates for Microsoft Skype for Business (July 2020)	Nessus	Windows : Microsoft Bulletins	8/4/2020	8/5/2020	critical

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