CVE-2025-24920 — Incorrect Authorization in Mattermost Mattermost-server

CWE-863 — Incorrect Authorization5 documents4 sources
Severity
4.3MEDIUMNVD
EPSS
0.1%
top 70.24%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Github.com Mattermost Mattermost-serverGithub.com Mattermost Mattermost Server V8Mattermost Server+1 more
Timeline
PublishedMar 21
Latest updateMar 25

Description

Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8, 10.5.x <= 10.5.0 fail to restrict bookmark creation and updates in archived channels, which allows authenticated users created or update bookmarked in archived channels

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages4 packages

▶NVDmattermost/mattermost_server9.11.0 — 9.11.9+3
▶Gogithub.com/mattermost_mattermost-server9.11.0+incompatible — 9.11.9+incompatible+3
▶CVEListV5mattermost/mattermost10.4.0 — 10.4.2+3

🔴Vulnerability Details

4
OSV
Mattermost Fails to Restrict Bookmark Creation and Updates in Archived Channels in github.com/mattermost/mattermost-server↗2025-03-25
▶
GHSA
Mattermost Fails to Restrict Bookmark Creation and Updates in Archived Channels↗2025-03-21
▶
OSV
Mattermost Fails to Restrict Bookmark Creation and Updates in Archived Channels↗2025-03-21
▶
CVEList
Unauthorized Bookmark Creation and Modification in Archived Channels↗2025-03-21
▶
CVE-2025-24920 — Incorrect Authorization | cvebase