SB2020070217 - Missing Authorization in Mattermost Server
Published: July 2, 2020
Security Bulletin ID
SB2020070217
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Missing Authorization (CVE-ID: CVE-2020-14457)
The vulnerability allows a remote attacker to gain access to sensitive information on the target system.
The vulnerability exists due to missing authorization in the "update_team" WebSocket event. A remote attacker can receive broadcasted team details.
Remediation
Install update from vendor's website.