SB2020070219 - Privilege escalation in Mattermost Server
Published: July 2, 2020
Security Bulletin ID
SB2020070219
CSH Severity
Medium
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 vulnerability.
1) Improper Privilege Management (CVE-ID: CVE-2020-14460)
CWE-ID: CWE-269 - Improper Privilege Management
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to the creation of a trusted OAuth application does not always require admin privileges. A remote authenticated attacker can gain elevated privileges on the target system.
Remediation
Install update from vendor's website.