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CVE-2025-31947
Repeated LDAP login failures can lock an LDAP account
Medium5.8EPSS 0.35%
- Published
- Updated
- Reserved
- Assigned by
- Mattermost
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| MattermostCNA (assigner) | 3.1 | Medium5.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L |
| NVDNVD · Analyzed | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
- EPSS (exploitation in 30 days)
- 0.35% · top 71% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.8.
Weakness
Affected products
- affected 10.6.0 – ≤ 10.6.1
- affected 10.5.0 – ≤ 10.5.2
- affected 10.4.0 – ≤ 10.4.4
- affected 9.11.0 – ≤ 9.11.11
- unaffected 10.7.0
- unaffected 10.6.2
- unaffected 10.5.3
- unaffected 10.4.5
- unaffected 9.11.12
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gogithub.com/mattermost/mattermost/server/v8GHSA-qgwx-rffp-6cx9 (opens in a new tab)
What to do
Solution: Update Mattermost to versions 10.7.0, 10.6.2, 10.5.3, 10.4.5, 9.11.12 or higher.
References (1)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-qgwx-rffp-6cx9 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2025-31947)Record last updated .