CVE-2025-13821
5.7
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Summary
Mattermost versions 11.1.x <= 11.1.2, 10.11.x <= 10.11.9, 11.2.x <= 11.2.1 fail to sanitize sensitive data in WebSocket messages which allows authenticated users to exfiltrate password hashes and MFA secrets via profile nickname updates or email verification events. Mattermost Advisory ID: MMSA-2025-00560
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mattermost | Mattermost | 11.1.0 <= 11.1.2 | affected |
| Mattermost | Mattermost | 10.11.0 <= 10.11.9 | affected |
| Mattermost | Mattermost | 11.2.0 <= 11.2.1 | affected |
| Mattermost | Mattermost | 11.3.0 | unaffected |
| Mattermost | Mattermost | 11.1.3 | unaffected |
| Mattermost | Mattermost | 10.11.10 | unaffected |
| Mattermost | Mattermost | 11.2.2 | unaffected |
Weaknesses
- CWE-200: CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.