CVE-2020-16951

high

Description

<p>A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the SharePoint application pool and the SharePoint server farm account.</p> <p>Exploitation of this vulnerability requires that a user uploads a specially crafted SharePoint application package to an affected version of SharePoint.</p> <p>The security update addresses the vulnerability by correcting how SharePoint checks the source markup of application packages.</p>

References

https://www.tenable.com/blog/microsoft-october-2020-patch-tuesday-87-cves-bad-neighbor-windows-tcp-ip-cve-2020-16898

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16951

Details

Source: Mitre, NVD

Published: 2020-10-16

Updated: 2023-12-31

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L

Severity: High