Vulnerability Details CVE-2025-20051
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 30.2%
CVSS Severity
CVSS v3 Score 9.9
References
Products affected by CVE-2025-20051
-
cpe:2.3:a:mattermost:mattermost_server:10.2.0
-
cpe:2.3:a:mattermost:mattermost_server:10.2.1
-
cpe:2.3:a:mattermost:mattermost_server:10.2.2
-
cpe:2.3:a:mattermost:mattermost_server:10.3.0
-
cpe:2.3:a:mattermost:mattermost_server:10.3.1
-
cpe:2.3:a:mattermost:mattermost_server:10.3.2
-
cpe:2.3:a:mattermost:mattermost_server:10.4.0
-
cpe:2.3:a:mattermost:mattermost_server:10.4.1
-
cpe:2.3:a:mattermost:mattermost_server:9.11.0
-
cpe:2.3:a:mattermost:mattermost_server:9.11.1
-
cpe:2.3:a:mattermost:mattermost_server:9.11.2
-
cpe:2.3:a:mattermost:mattermost_server:9.11.3
-
cpe:2.3:a:mattermost:mattermost_server:9.11.4
-
cpe:2.3:a:mattermost:mattermost_server:9.11.5
-
cpe:2.3:a:mattermost:mattermost_server:9.11.6
-
cpe:2.3:a:mattermost:mattermost_server:9.11.7