CVE-2025-31947

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.8 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
MattermostCNA
5.8 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
CISA-ADPADP
---
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Base Score
CVSS 3.x
EPSS Score
Percentile: 17%
VendorProductVersion
mattermostmattermost_server
9.11.0 ≤
𝑥
< 9.11.12
mattermostmattermost_server
10.4.0 ≤
𝑥
< 10.4.5
mattermostmattermost_server
10.5.0 ≤
𝑥
< 10.5.3
mattermostmattermost_server
10.6.0 ≤
𝑥
< 10.6.2
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://mattermost.com/security-updates