SB2021071348 - Spoofing attack in Microsoft Office Online Server



SB2021071348 - Spoofing attack in Microsoft Office Online Server

Published: July 13, 2021

Security Bulletin ID SB2021071348
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Spoofing attack (CVE-ID: CVE-2021-34451)

The vulnerability allows a remote attacker to perform spoofing attack.

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


Remediation

Install update from vendor's website.