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

Weakness classification (CWE)

References

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.