Improper Privilege Management in Mattermost Server - CVE-2020-14460
Published: July 2, 2020
Vulnerability identifier: #VU29472
CSH Severity: Medium
CVSS v4: 7.1 [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]
CVE-ID: CVE-2020-14460
CWE-ID: CWE-269
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Mattermost Server
How to mitigate CVE-2020-14460
Install updates from vendor's website.
Mattermost Server - addressed in versions 5.9.8, 5.16.5, 5.17.3, 5.18.1, 5.19