CVE-2025-31947

mediumpriority · track · 21EPSS 0.004 · 29 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.35% (29th) EPSS

CVSS 5.3 · medium

Is it mine?

34 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

5.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.15.8mediumAV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:Lsecondary · FSTEC (BDU) RU

v3.15.8mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:Lsecondary · ENISA EU

v3.15.8mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:Lsecondary · responsibledisclosure@mattermost.comexploitability 3.9 · impact 1.4

v3.15.8mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:Lsecondary · OSV

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-645USCWE-645USCWE-645US

affected products (34)

Products and version ranges known to be affected.

Mattermost Mattermost Server <10.4.5all versionscert_bundDE
Mattermost Mattermost Server <10.5.3all versionscert_bundDE
Mattermost Mattermost Server <10.6.2all versionscert_bundDE
Mattermost Mattermost Server <10.7.0all versionscert_bundDE
Mattermost Mattermost Server <9.11.12all versionscert_bundDE
Mattermost Mattermost≤ Server <9.11.12cert_bundDE
Mattermost Mattermost≤ Server <10.4.5cert_bundDE
Mattermost Mattermost≤ Server <10.5.3cert_bundDE
Mattermost Mattermost≤ Server <10.6.2cert_bundDE
Mattermost Mattermost≤ Server <10.7.0cert_bundDE
Mattermost Mattermost≤ 10.5.0 ≤10.5.2enisa_euvdEU
Mattermost Mattermost≤ 10.4.0 ≤10.4.4enisa_euvdEU
Mattermost Mattermostall versionsenisa_euvdEU
Mattermost Mattermost≤ 9.11.0 ≤9.11.11enisa_euvdEU
Mattermost Mattermost≤ 10.6.0 ≤10.6.1enisa_euvdEU
Mattermost Inc Mattermost10.4.0 → 10.4.4fstec_bduRU
Mattermost Inc Mattermost10.5.0 → 10.5.2fstec_bduRU
Mattermost Inc Mattermost10.6.0 → 10.6.1fstec_bduRU
Mattermost Inc Mattermost9.11.0 → 9.11.11fstec_bduRU
mattermost mattermost server10.4.0 → 10.4.5nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*

showing 20 of 34

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-0830Mattermost: Mehrere SchwachstellenDeutsch2025-04-15csaf · cert_bundDE
Ein entfernter Angreifer kann mehrere Schwachstellen in Mattermost ausnutzen, um Sicherheitsmaßnahmen zu umgehen, Daten offenzulegen oder einen Denial of Service zu verursachen.
GHSA-qgwx-rffp-6cx9Mattermost Fails to Lockout LDAP Users After Repeated Login Failures2025-05-15ghsa · osvUS
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.
GO-2025-3692Mattermost Fails to Lockout LDAP Users After Repeated Login Failures in github.com/mattermost/mattermost-server2025-05-23vendor · osvUS
Mattermost Fails to Lockout LDAP Users After Repeated Login Failures in github.com/mattermost/mattermost-server

also known as (7)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv cert_bund nvd NVD CVE.org MITRE

published 2025-05-15modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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