6.5
CVE-2025-12689
- EPSS 0.08%
- Veröffentlicht 17.12.2025 18:14:10
- Zuletzt bearbeitet 29.12.2025 18:44:33
- Quelle responsibledisclosure@mattermo
- CVE-Watchlists
- Unerledigt
DoS in Calls plugin via malformed UTF-8 in WebSocket request
Mattermost versions 11.0.x <= 11.0.4, 10.12.x <= 10.12.2, 10.11.x <= 10.11.6 fail to check WebSocket request field for proper UTF-8 format, which allows attacker to crash Calls plug-in via sending malformed request.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Mattermost ≫ Mattermost Server Version >= 10.11.0 < 10.11.7
Mattermost ≫ Mattermost Server Version >= 10.12.0 < 10.12.3
Mattermost ≫ Mattermost Server Version >= 11.0.0 < 11.0.5
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. 
Login
Login| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.08% | 0.228 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| responsibledisclosure@mattermost.com | 6.5 | 2.8 | 3.6 |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
|
CWE-1287 Improper Validation of Specified Type of Input
The product receives input that is expected to be of a certain type, but it does not validate or incorrectly validates that the input is actually of the expected type.