CVE-2025-31947 – Mattermost LDAP Account Lock Bypass Vulnerability

The following table lists the changes that have been made to the
CVE-2025-31947 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    May. 15, 2025

    Action Type Old Value New Value
    Added Description 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.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
    Added CWE CWE-645
    Added Reference https://mattermost.com/security-updates
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