What’s Vulnerable › Vulnerabilities
CVE-2024-2447
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-04-05 · updated 2026-06-17
- Weakness: CWE-284
Description
Mattermost versions 8.1.x before 8.1.11, 9.3.x before 9.3.3, 9.4.x before 9.4.4, and 9.5.x before 9.5.2 fail to authenticate the source of certain types of post actions, allowing an authenticated attacker to create posts as other users via a crafted post action.
Affected products
- Mattermost: from 8.1.0 before 8.1.11; from 9.3.0 before 9.3.3; from 9.4.0 before 9.4.4; from 9.5.0 before 9.5.2 — fixed in 8.1.11, 9.3.3, 9.4.4, 9.5.2
How to fix
Upgrade to a fixed version: Mattermost 8.1.11, 9.3.3, 9.4.4, 9.5.2. Check the vendor advisory for mitigations.
References
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