cbcvebase.
CVE-2025-20033
published 2025-01-09

CVE-2025-20033: Mattermost versions 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate post types, which allows attackers to deny service…

medium6.5CVSS 3.1
AVNACLPRLUINSUCNINAH
Mattermost versions 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate post types, which allows attackers to deny service to users with the sysconsole_read_plugins permission via creating a post with the custom_pl_notification type and specific props.

Affected

16 ranges
VendorProductVersion rangeFixed in
github.commattermost_mattermost-server>= 10.0.0+incompatible < 10.0.4+incompatible10.0.4+incompatible
github.commattermost_mattermost-server>= 10.1.0+incompatible < 10.1.4+incompatible10.1.4+incompatible
github.commattermost_mattermost-server>= 10.2.0+incompatible < 10.2.1+incompatible10.2.1+incompatible
github.commattermost_mattermost_server_v8>= 0 < 8.0.0-20250102081831-64c566a8280b8.0.0-20250102081831-64c566a8280b
github.commattermost_mattermost_server_v8>= 10.0.0 < 10.0.410.0.4
github.commattermost_mattermost_server_v8>= 10.1.0 < 10.1.410.1.4
github.commattermost_mattermost_server_v8>= 10.2.0 < 10.2.110.2.1
github.commattermost_mattermost_server_v8>= 9.11.0 < 9.11.169.11.16
mattermostmattermost
mattermostmattermost10.0.0 – 10.0.3
mattermostmattermost10.1.0 – 10.1.3
mattermostmattermost9.11.0 – 9.11.5
mattermostmattermost_server>= 10.0.0 < 10.0.410.0.4
mattermostmattermost_server>= 10.1.0 < 10.1.410.1.4
mattermostmattermost_server>= 10.2.0 < 10.2.110.2.1
mattermostmattermost_server>= 9.11.0 < 9.11.69.11.6