Information disclosure in Mattermost
CVE-2024-39353
Mattermost versions 9.5.x <= 9.5.5 and 9.8.0 fail to sanitize the RemoteClusterFrame payloads before audit logging them which allows a high privileged attacker with access to the audit logs to read message contents.
Vulnerability class: Information Disclosure
EPSS: 0.003 (26.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Mattermost — versions 9.8.0, 9.5.0, 9.9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- responsibledisclosure@mattermost.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2024-39353?
- CVE-2024-39353 is a low-severity vulnerability in Mattermost, classified under Information Disclosure. CVSS score: 2.7/10. Published 2024-07-03.
- How severe is CVE-2024-39353?
- Low severity. CVSS v3 base score is 2.7 out of 10.
- Is CVE-2024-39353 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.