SB2021011544 - Security restrictions bypass in Mattermost Server
Published: January 15, 2021
Breakdown by Severity
- 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.