CVE-2025-31947

Repeated LDAP login failures can lock an LDAP account

CVSS 5.8 MEDIUMEPSS 0.3%CWE-645

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.8EPSS 0.3%KEV nãoPoC —Patch —

Lifecycle

May 15, 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

Affected products

Mattermost · Mattermost

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References

https://mattermost.com/security-updates