CVE-2025-27538
published 2025-04-16CVE-2025-27538: Mattermost versions 10.5.x <= 10.5.1, 9.11.x <= 9.11.9 fail to enforce MFA checks in PUT /api/v4/users/user-id/mfa when the requesting user differs from the…
PriorityP410low2.7CVSS 3.1
AVNACLPRHUINSUCNILAN
EPSS
0.23%
13.9th percentile
Mattermost versions 10.5.x <= 10.5.1, 9.11.x <= 9.11.9 fail to enforce MFA checks in PUT /api/v4/users/user-id/mfa when the requesting user differs from the target user ID, which allows users with edit_other_users permission to activate or deactivate MFA for other users, even if those users have not set up MFA.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| github.com | mattermost_mattermost-server | >= 10.5.0+incompatible < 10.5.2+incompatible | 10.5.2+incompatible |
| github.com | mattermost_mattermost-server | >= 9.11.0+incompatible < 9.11.10+incompatible | 9.11.10+incompatible |
| github.com | mattermost_mattermost_server_v8 | >= 0 < 8.0.0-20250314142426-c049748b8863 | 8.0.0-20250314142426-c049748b8863 |
| github.com | mattermost_mattermost_server_v8 | >= 10.5.0 < 10.5.2 | 10.5.2 |
| github.com | mattermost_mattermost_server_v8 | >= 9.11.0 < 9.11.10 | 9.11.10 |
| mattermost | mattermost | 10.5.0 – 10.5.1 | — |
| mattermost | mattermost | 9.11.0 – 9.11.9 | — |
| mattermost | mattermost_server | >= 10.5.0 < 10.5.2 | 10.5.2 |
| mattermost | mattermost_server | >= 9.11.0 < 9.11.10 | 9.11.10 |
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OSV
Mattermost Missing Authentication for Critical Function in github.com/mattermost/mattermost-server
osv·2025-04-22
CVE-2025-27538 Mattermost Missing Authentication for Critical Function in github.com/mattermost/mattermost-server
Mattermost Missing Authentication for Critical Function in github.com/mattermost/mattermost-server
Mattermost Missing Authentication for Critical Function in github.com/mattermost/mattermost-server
OSV
Mattermost Missing Authentication for Critical Function
osv·2025-04-16
CVE-2025-27538 [LOW] Mattermost Missing Authentication for Critical Function
Mattermost Missing Authentication for Critical Function
Mattermost versions 10.5.x <= 10.5.1, 9.11.x <= 9.11.9 fail to enforce MFA checks in PUT /api/v4/users/user-id/mfa when the requesting user differs from the target user ID, which allows users with edit_other_users permission to activate or deactivate MFA for other users, even if those users have not set up MFA.
GHSA
Mattermost Missing Authentication for Critical Function
ghsa·2025-04-16
CVE-2025-27538 [LOW] CWE-306 Mattermost Missing Authentication for Critical Function
Mattermost Missing Authentication for Critical Function
Mattermost versions 10.5.x <= 10.5.1, 9.11.x <= 9.11.9 fail to enforce MFA checks in PUT /api/v4/users/user-id/mfa when the requesting user differs from the target user ID, which allows users with edit_other_users permission to activate or deactivate MFA for other users, even if those users have not set up MFA.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2025-04-16
Published