Vulnerability in Mattermost
CVE-2023-50333
Mattermost fails to update the permissions of the current session for a user who was just demoted to guest, allowing freshly demoted guests to change group names.
EPSS: 0.003 (24.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:L.
Affected products
- Mattermost — versions 0, 8.1.7
- Mattermost Mattermost_server
Weakness classification (CWE)
Public proof-of-concept exploits
References
- responsibledisclosure@mattermost.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-50333?
- CVE-2023-50333 is a low-severity vulnerability in Mattermost, classified under Improper Access Control. CVSS score: 3.7/10. Published 2024-01-02.
- How severe is CVE-2023-50333?
- Low severity. CVSS v3 base score is 3.7 out of 10.
- Is CVE-2023-50333 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.