Resource exhaustion in Mattermost
CVE-2024-47003
Mattermost versions 9.11.x <= 9.11.0 and 9.5.x <= 9.5.8 fail to validate that the message of the permalink post is a string, which allows an attacker to send a non-string value as the message of a permalink post and crash the frontend.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.006 (44.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Mattermost — versions 9.11.0, 9.5.0, 10.0.0
- Mattermost Mattermost_server — versions 9.11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- responsibledisclosure@mattermost.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2024-47003?
- CVE-2024-47003 is a low-severity vulnerability in Mattermost, classified under Uncontrolled Resource Consumption. CVSS score: 3.1/10. Published 2024-09-26.
- How severe is CVE-2024-47003?
- Low severity. CVSS v3 base score is 3.1 out of 10.
- Is CVE-2024-47003 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.