Vulnerability in Mattermost
CVE-2024-31859
Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1 and 8.1.x <= 8.1.12 fail to perform proper authorization checks which allows a member running a playbook in an existing channel to be promoted to a channel admin
EPSS: 0.002 (15.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Mattermost — versions 9.5.0, 9.6.0, 8.1.0
- Mattermost Mattermost_server
Weakness classification (CWE)
Public proof-of-concept exploits
References
- responsibledisclosure@mattermost.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2024-31859?
- CVE-2024-31859 is a medium-severity vulnerability in Mattermost, classified under Improper Access Control. CVSS score: 4.3/10. Published 2024-05-26.
- How severe is CVE-2024-31859?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2024-31859 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.