SB2021011544 - Security restrictions bypass in Mattermost Server



SB2021011544 - Security restrictions bypass in Mattermost Server

Published: January 15, 2021

Security Bulletin ID SB2021011544
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) Improper Authorization (CVE-ID: N/A)

The vulnerability allows a remote user to bypass implemented security restrictions.

The vulnerability exists due to unspecified error related to partial failure in permission level enforcement for high-availability configurations during an active session. A remote user can gain access to restricted resources under certain conditions within an active session.


Remediation

Install update from vendor's website.