CVE-2025-2475 — Incorrect Implementation of Authentication Algorithm in Mattermost Mattermost-server

CWE-303 — Incorrect Implementation of Authentication AlgorithmCWE-674 — Uncontrolled Recursion6 documents5 sources
Severity
5.4MEDIUMNVD
EPSS
0.2%
top 58.76%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Github.com Mattermost Mattermost-serverGithub.com Mattermost Mattermost Server V8Mattermost Server+1 more
Timeline
PublishedApr 14
Latest updateApr 22

Description

Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to invalidate the cache when a user account is converted to a bot which allows an attacker to login to the bot exactly one time via normal credentials.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:NExploitability: 2.8 | Impact: 2.5

Affected Packages4 packages

▶NVDmattermost/mattermost_server9.11.0 — 9.11.10+2
▶Gogithub.com/mattermost_mattermost-server9.11.0+incompatible — 9.11.10+incompatible+1
▶CVEListV5mattermost/mattermost10.5.0 — 10.5.1+2

🔴Vulnerability Details

4
OSV
Mattermost vulnerable to Incorrect Implementation of Authentication Algorithm in github.com/mattermost/mattermost-server↗2025-04-22
▶
GHSA
Mattermost vulnerable to Incorrect Implementation of Authentication Algorithm↗2025-04-14
▶
OSV
Mattermost vulnerable to Incorrect Implementation of Authentication Algorithm↗2025-04-14
▶
CVEList
Unauthorized Bot Login Using Credentials↗2025-04-14
▶
CVE-2025-2475 — MEDIUM severity | cvebase