VULNERABILITY INTELLIGENCE
CVE-2024-29977
CVSS score2.7 LOW
EPSS probability0.28%
CISA KEVNot currently listed
Published2024-08-01
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Description
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6 fail to properly validate synced reactions, when shared channels are enabled, which allows a malicious remote to create arbitrary reactions on arbitrary posts
Weakness classification
- responsibledisclosure@mattermost.com: CWE-284
- nvd@nist.gov: NVD-CWE-noinfo
Primary references
- responsibledisclosure@mattermost.com — Vendor Advisory