CVE-2020-17089: Microsoft SharePoint Elevation of Privilege Vulnerability

Overview

Severity

High (CVSS 7.1)

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

Category

Elevation of Privilege

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2020-Dec

Released

2020-12-08

EPSS Score

6.21% (percentile: 90.9%)

Affected Products (4)

Microsoft Office

• Microsoft SharePoint Enterprise Server 2016
• Microsoft SharePoint Server 2019
• Microsoft SharePoint Foundation 2010 Service Pack 2
• Microsoft SharePoint Foundation 2013 Service Pack 1

Security Updates (4)

• 4486753
• 4486751
• 4493149
• 4493138

Acknowledgments

Steven Seeley (mr_me) and Yuhao Weng (@cjm00nw)

Revision History

• 2020-12-08: Information published.