CVE-2025-20033

DoS via custom post type for sysconsole plugin readers

State: Published
Severity: 4.3 Medium
Published: Jan 9, 2025
Updated: Jan 9, 2025
Reserved: Jan 8, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L	Mattermost

Weaknesses

CWE-1287 Improper Validation of Specified Type of Input

Affected Products

Product	Versions
MattermostMattermost	10.2.0Affected 9.11.0 through 9.11.5Affected 10.0.0 through 10.0.3Affected 10.1.0 through 10.1.3Affected 10.3.0Not affected 10.2.1Not affected 9.11.6Not affected 10.0.4Not affected 10.1.4Not affected

References

https://mattermost.com/security-updates

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