CVE-2025-31947: Repeated LDAP login failures can lock an LDAP account

Published May 15, 2025
·
Updated

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 Software

10 affected componentsFixes available
Mattermost Mattermost<=10.6.1, <=10.5.2, <=10.4.4, <=9.11.11
go/github.com/mattermost/mattermost/server/v8<8.0.0-20250415054241-76ab3867b785
8.0.0-20250415054241-76ab3867b785
go/github.com/mattermost/mattermost/server/v8>=9.11.0<=9.11.11
9.11.12
go/github.com/mattermost/mattermost/server/v8>=10.4.0<=10.4.4
10.4.5
go/github.com/mattermost/mattermost/server/v8>=10.5.0<=10.5.2
10.5.3
go/github.com/mattermost/mattermost/server/v8>=10.6.0<=10.6.1
10.6.2
Mattermost Mattermost Server>=9.11.0<9.11.12
Mattermost Mattermost Server>=10.4.0<10.4.5
Mattermost Mattermost Server>=10.5.0<10.5.3
Mattermost Mattermost Server>=10.6.0<10.6.2

Remediation

Information

Update Mattermost to versions 10.7.0, 10.6.2, 10.5.3, 10.4.5, 9.11.12 or higher.

Event History

May 15, 2025
CVE Published
via MITRE·10:41 AM
Data Sourced
via MITRE·10:41 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·11:15 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·11:15 AM
Affected Software
Advisory Published
via GitHub·12:30 PM
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Frequently Asked Questions

1

What is the severity of CVE-2025-31947?

CVE-2025-31947 is considered a medium severity vulnerability due to its potential for unauthorized account lockouts.

2

How do I fix CVE-2025-31947?

To fix CVE-2025-31947, upgrade Mattermost to the latest version that addresses this issue.

3

What versions of Mattermost are affected by CVE-2025-31947?

Mattermost versions 10.6.1 and below, 10.5.2 and below, 10.4.4 and below, and 9.11.11 and below are affected by CVE-2025-31947.

4

What does CVE-2025-31947 exploit in Mattermost?

CVE-2025-31947 exploits the failure to lock out LDAP users after repeated login failures, allowing attackers to perform account lockouts.

5

Can CVE-2025-31947 lead to account takeovers?

CVE-2025-31947 does not directly lead to account takeovers but enables attackers to disrupt LDAP user access through lockouts.

Contact

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