Cyber Resilience

CVE-2025-31947

Medium

Published: 15 May 2025

Published
15 May 2025
Modified
06 October 2025
KEV Added
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Patch
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CVSS Score v3.1 5.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
EPSS Score 0.0036 58.6th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-31947 is a medium-severity Overly Restrictive Account Lockout Mechanism (CWE-645) vulnerability in Mattermost Mattermost Server. Its CVSS base score is 5.8 (Medium).

Operationally, ranked in the top 41.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Mattermost versions 10.6.x <= 10.6.1, 10.5.x <= 10.5.2, 10.4.x <= 10.4.4, 9.11.x <= 9.11.11 fail to lockout LDAP users following repeated login failures, which allows attackers to lock external LDAP accounts through repeated login failures through Mattermost.

CWE(s)
CWE-645

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

mattermost
mattermost server
9.11.0 — 9.11.12 · 10.4.0 — 10.4.5 · 10.5.0 — 10.5.3

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References