CVEvulnerability
CVE-2024-29977
4.3 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2024-08-01
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 2.7 LOW — CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
- CVSS 3.1 ([email protected])
- 4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- Weaknesses
- CWE-284
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
Affected configurations
• mattermost mattermost (>= 9.5.0 < 9.5.7)
• mattermost mattermost 9.9.0
Related
Weakness · CWE (1)
- CWE-284 Improper Access Control weakness
References
- https://mattermost.com/security-updates Vendor Advisory