SB2021081029 - Spoofing attack in Microsoft SharePoint Server



SB2021081029 - Spoofing attack in Microsoft SharePoint Server

Published: August 10, 2021

Security Bulletin ID SB2021081029
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Spoofing attack (CVE-ID: CVE-2021-36940)

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data in the Microsoft SharePoint Server. A remote authenticated attacker can spoof page content.


Remediation

Install update from vendor's website.