CVE-2021-28478: Microsoft SharePoint Server Spoofing Vulnerability

Overview

Severity

High (CVSS 7.6)

CVSS Vector

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

Category

Spoofing

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2021-May

Released

2021-05-11

EPSS Score

1.26% (percentile: 79.4%)

Affected Products (3)

Microsoft Office

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

Security Updates (3)

• 5001917
• 5001916
• 5001935

Acknowledgments

<a href="http://vnprogramming.com"> Pham Van Khanh </a> @rskvp93 from Viettel Cyber Security

Revision History

• 2021-05-11: Information published.