Auth bypass in Mattermost
CVE-2023-4105
Mattermost fails to delete the attachments when deleting a message in a thread allowing a simple user to still be able to access and download the attachment of a deleted message
Vulnerability class: Broken Access Control
EPSS: 0.003 (25.6th 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:L/I:N/A:N.
Affected products
- Mattermost — versions 0, 7.8.8, 7.9.6
Weakness classification (CWE)
References
- responsibledisclosure@mattermost.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-4105?
- CVE-2023-4105 is a low-severity vulnerability in Mattermost, classified under Missing Authorization. CVSS score: 3.1/10. Published 2023-08-11.
- How severe is CVE-2023-4105?
- Low severity. CVSS v3 base score is 3.1 out of 10.