Microsoft Excel Remote Code Execution Vulnerability

The Microsoft Excel Products are missing security updates.
It is, therefore, affected by multiple vulnerabilities:

  - A remote code execution vulnerability. An attacker can     exploit this to bypass authentication and execute     unauthorized arbitrary commands. (CVE-2020-17123,     CVE-2020-17125, CVE-2020-17127, CVE-2020-17128,     CVE-2020-17129)

  - An information disclosure vulnerability. An attacker can     exploit this to disclose potentially sensitive     information. (CVE-2020-17126)

  - A security feature bypass vulnerability exists. An     attacker can exploit this and bypass the security     feature and perform unauthorized actions compromising     the integrity of the system/application.
    (CVE-2020-17130)

The Microsoft Office Products are missing security updates. It is, therefore, affected by multiple remote code execution vulnerabilities. An attacker can exploit these to bypass authentication and execute unauthorized arbitrary commands.

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

The Microsoft Office product installed on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities:

  - Microsoft Excel Remote Code Execution Vulnerability (CVE-2020-17123, CVE-2020-17128)

  - Microsoft Excel Information Disclosure Vulnerability (CVE-2020-17126)

  - Microsoft Outlook Information Disclosure Vulnerability (CVE-2020-17119)

  - Microsoft PowerPoint Remote Code Execution Vulnerability (CVE-2020-17124)

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

The Microsoft Office Online Server or Microsoft Office Web Apps installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities :

  - A remote code execution vulnerability. An attacker can     exploit this to bypass authentication and execute     unauthorized arbitrary commands. (CVE-2020-17122,     CVE-2020-17123, CVE-2020-17125, CVE-2020-17128,     CVE-2020-17129)

  - An information disclosure vulnerability. An attacker can     exploit this to disclose potentially sensitive     information. (CVE-2020-17126)

ID	Name	Product	Family	Severity
162119	Security Updates for Microsoft Excel Products C2R (December 2020)	Nessus	Windows	high
162086	Security Updates for Microsoft Office Products C2R (December 2020)	Nessus	Windows	high
145269	Security Updates for Microsoft Office (December 2020) (macOS)	Nessus	MacOS X Local Security Checks	high
143564	Security Updates for Microsoft Excel Products (December 2020)	Nessus	Windows : Microsoft Bulletins	high
143556	Security Updates for Microsoft Office Online Server and Microsoft Office Web Apps (December 2020)	Nessus	Windows : Microsoft Bulletins	high
143555	Security Updates for Microsoft Office Products (December 2020)	Nessus	Windows : Microsoft Bulletins	high

Detections

Analytics

CVE-2020-17128

high

Tenable Plugins

high

high

high

high

high

high