VDB
CVE-2025-20621
CVE-2025-20621
PUBLISHED
CVSS 6.5 MEDIUM
Mattermost webapp crash via a crafted post
EPSS 0.39% · 60.4th percentile
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.39%
60.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost | 10.0.0, 10.1.0, 2.23.0 |
| mattermost | mattermost_server | 9.11.0, 10.0.0, 10.1.0 |
| github.com | mattermost/mattermost/server/v8 | 10.1.0, 10.0.0, 9.11.0 |
Exploit Intelligence
- CIRCL seen: CVE-2025-20621 (circl-sighting)
- CIRCL seen: CVE-2025-20621 (circl-sighting)
- CIRCL seen: CVE-2025-20621 (circl-sighting)
- CIRCL seen: CVE-2025-20621 (circl-sighting)
- https://mattermost.com/security-updates (circl)
Timeline
- Jan 16, 2025 CVE Published
- Jan 16, 2025 PoC Published
- Jan 16, 2025 PoC Published
- Jan 16, 2025 PoC Published
- Jan 16, 2025 PoC Published
- Jan 17, 2025 EPSS Score
- Feb 1, 2025 EPSS Score
- Feb 17, 2025 EPSS Score
- Mar 4, 2025 EPSS Score
- Mar 20, 2025 EPSS Score
- Apr 2, 2025 Coalition ESS Score
- Apr 4, 2025 EPSS Score