# CVE-2025-31947

## Summary

- **CVE ID:** CVE-2025-31947
- **Severity:** MEDIUM
- **CVSS Score:** 5.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L)
- **CWE:** CWE-645
- **Published:** May 15, 2025
- **Last Modified:** Mar 12, 2026

## 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.

## Affected Products

- Mattermost — Mattermost (10.6.0)
- Mattermost — Mattermost (10.5.0)
- Mattermost — Mattermost (10.4.0)
- Mattermost — Mattermost (9.11.0)
- Mattermost — Mattermost (10.7.0)
- Mattermost — Mattermost (10.6.2)
- Mattermost — Mattermost (10.5.3)
- Mattermost — Mattermost (10.4.5)
- Mattermost — Mattermost (9.11.12)

## References

- [CNA](https://mattermost.com/security-updates)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.34%
- **EPSS Percentile:** 26.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._