CVE-2025-53971
3.8
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
Summary
Mattermost versions 10.5.x <= 10.5.8, 9.11.x <= 9.11.17 fail to properly validate authorization for team scheme role modifications which allows Team Admins to demote Team Members to Guests via the PUT /api/v4/teams/team-id/members/user-id/schemeRoles API endpoint.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mattermost | Mattermost | 10.5.0 <= 10.5.8 | affected |
| Mattermost | Mattermost | 9.11.0 <= 9.11.17 | affected |
| Mattermost | Mattermost | 10.10.0 | unaffected |
| Mattermost | Mattermost | 10.5.9 | unaffected |
| Mattermost | Mattermost | 9.11.18 | unaffected |
Weaknesses
- CWE-863: CWE-863: Incorrect Authorization
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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