CVE-2024-42406 — Improper Access Control in Server
Severity
5.4MEDIUMNVD
EPSS
0.3%
top 48.41%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 26
Description
Mattermost versions 9.11.x <= 9.11.0, 9.10.x <= 9.10.1, 9.9.x <= 9.9.2 and 9.5.x <= 9.5.8 fail to properly authorize requests when viewing archived channels is disabled, which allows an attacker to retrieve post and file information about archived channels. Examples are flagged or unread posts as well as files.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:NExploitability: 2.8 | Impact: 2.5