CVE-2025-3230
Published: 30 May 2025
Summary
CVE-2025-3230 is a medium-severity Incorrect Implementation of Authentication Algorithm (CWE-303) vulnerability in Mattermost Mattermost Server. Its CVSS base score is 5.4 (Medium).
Operationally, ranked at the 41.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-16491
Vulnerability details
Mattermost versions 10.7.x <= 10.7.0, 10.6.x <= 10.6.2, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fails to properly invalidate personal access tokens upon user deactivation, allowing deactivated users to maintain full system access by exploiting access token validation flaws via continued…
more
usage of previously issued tokens.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.