PT-2025-21273 · Mattermost · Mattermost

John Landells · Published 2025-04-15 · Updated 2025-05-26 · CVE-2025-31947

Positive Technologies (AI Summary)

CVSS v3.1

5.8

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions: Mattermost versions 9.11.x through 10.6.1

Description: The issue allows attackers to lock external LDAP accounts through repeated login failures due to Mattermost's failure to lock out LDAP users following repeated login failures.

Recommendations: For Mattermost versions 9.11.x through 10.6.1, update to a version that includes a fix for this issue to prevent LDAP account lockout bypass.

Fix

DoS

Weakness Enumeration

CWE-645

Related Identifiers

BDU:2025-16010

CVE-2025-31947

GHSA-QGWX-RFFP-6CX9

GO-2025-3692

OPENSUSE-SU-2025:15159-1

Affected Products

Mattermost

References · 29

• https://osv.dev/vulnerability/GHSA-qgwx-rffp-6cx9 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-16010 · Security Note
• https://mattermost.com/security-updates · Vendor Advisory
• https://osv.dev/vulnerability/GO-2025-3692 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2025:15159-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-31947 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-31947 · Security Note
• https://github.com/mattermost/mattermost · Note
• https://github.com/mattermost/mattermost/pull/30821 · Note
• https://lists.opensuse.org/archives/list/[e-mail]/thread/NBVOKYMJCE2HZLSF5W3H3Q7KEHMMOQR3 · Note
• https://suse.com/security/cve/CVE-2024-40120 · Note
• https://twitter.com/CVEnew/status/1922968778897289667 · Twitter Post
• https://suse.com/security/cve/CVE-2025-5031 · Note
• https://github.com/advisories/GHSA-qgwx-rffp-6cx9 · Note
• https://suse.com/security/cve/CVE-2025-47290 · Note