CVE-2021-1641: Microsoft SharePoint Server Spoofing Vulnerability

Overview

Severity

Medium (CVSS 4.6)

CVSS Vector

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

Category

Spoofing

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2021-Jan

Released

2021-01-12

EPSS Score

1.25% (percentile: 79.4%)

Affected Products (3)

Microsoft Office

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

Security Updates (3)

• 4493163
• 4493175
• 4493162

Acknowledgments

Huynh Phuoc Hung, <a href="https://twitter.com/hph0var">@hph0var</a>

Revision History

• 2021-01-12: Information published.