CVE-2025-20051 — Path Traversal in Mattermost Mattermost-server

CWE-22 — Path Traversal5 documents4 sources
Severity
6.5MEDIUMNVD
CNA9.9
EPSS
0.3%
top 44.10%
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
PublishedFeb 24
Latest updateMar 3

Description

Mattermost versions 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to properly validate input when patching and duplicating a board, which allows a user to read any arbitrary file on the system via duplicating a specially crafted block in Boards.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitability: 2.8 | Impact: 3.6

Affected Packages4 packages

▶NVDmattermost/mattermost_server9.11.0 — 9.11.8+3
▶Gogithub.com/mattermost_mattermost-server9.11.0-rc1+incompatible — 9.11.8+incompatible+3
▶Gogithub.com/mattermost_mattermost_server_v89.11.0-rc1 — 9.11.8+4
▶CVEListV5mattermost/mattermost10.4.0 — 10.4.1+3

🔴Vulnerability Details

4
OSV
Mattermost allows reading arbitrary files in github.com/mattermost/mattermost-server↗2025-03-03
▶
OSV
Mattermost allows reading arbitrary files↗2025-02-24
▶
CVEList
Arbitrary file read via block duplication in Mattermost Boards↗2025-02-24
▶
GHSA
Mattermost allows reading arbitrary files↗2025-02-24
▶
CVE-2025-20051 — Path Traversal | cvebase