SB2020061937 - Incorrect permission assignment for critical resource in Mattermost, Mattermost Server
Published: June 19, 2020 Updated: July 17, 2020
Security Bulletin ID
SB2020061937
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Incorrect permission assignment for critical resource (CVE-ID: CVE-2018-21253)
The vulnerability allows a remote authenticated user to manipulate data.
An issue was discovered in Mattermost Server before 5.1, 5.0.2, and 4.10.2. An attacker could use the invite_people slash command to invite a non-permitted user.
Remediation
Install update from vendor's website.