CVE-2025-31947

MEDIUM

Mattermost <10.6.1-10.5.2-10.4.4-9.11.11 - Privilege Escalation

Title source: llm

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.

References (1)

Core 1

Core References

Vendor Advisory

https://mattermost.com/security-updates

Scores

CVSS v3 5.8

EPSS 0.0036

EPSS Percentile 58.3%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-645

Status published

Products (2)

mattermost/mattermost 10.6.0 - 10.6.2Go

mattermost/mattermost_server 9.11.0 - 9.11.12

Published May 15, 2025

Tracked Since Feb 18, 2026