CVE-2021-31966: Microsoft SharePoint Server Remote Code Execution Vulnerability

Overview

Severity

High (CVSS 7.2)

CVSS Vector

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

Category

Remote Code Execution

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2021-Jun

Released

2021-06-08

EPSS Score

6.42% (percentile: 91.1%)

Affected Products (4)

Microsoft Office

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

Security Updates (7)

• 5001946
• 5001922
• 5001954
• 5001944
• 5001945
• 5001962
• 5001939

Acknowledgments

Yuhao Weng (<a href="https://twitter.com/cjm00nw">@cjm00nw</a>) of <a href="https://www.sangfor.com/">Sangfor</a> & Steven Seeley (<a href="https://twitter.com/steventseeley">@ϻг_ϻε</a>) & Zhiniang Peng(<a href="https://twitter.com/edwardzpeng">@edwardzpeng</a>

Revision History

• 2021-06-08: Information published.