Insufficient Session Expiration in Mattermost Server - CVE-2017-18905
Published: June 19, 2020 / Updated: July 17, 2020
Vulnerability identifier: #VU30176
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-18905
CWE-ID: CWE-613
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to manipulate data.
An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2, when used as an OAuth 2.0 service provider, Session invalidation was mishandled.
Affected software
Mattermost Server
How to mitigate CVE-2017-18905
Install update from vendor's website.
Mattermost Server - update to 3.10.2