SecuriTricks - CVE-2025-20033

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.

Product(s) Impacted

Product	Versions
Mattermost	['10.2.0', '9.11.x <= 9.11.5', '10.0.x <= 10.0.3', '10.1.x <= 10.1.3']

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-1287

Improper Validation of Specified Type of Input

The product receives input that is expected to be of a certain type, but it does not validate or incorrectly validates that the input is actually of the expected type.

References

https://mattermost.com/security-updates

CVSS Score

4.3 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: LOW
Scope: UNCHANGED
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: LOW

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

View Vector String

Timeline

Published: Jan. 9, 2025, 7:15 a.m.
Last Modified: Jan. 9, 2025, 7:15 a.m.

Status : Awaiting Analysis

CVE has been marked for Analysis. Normally once in this state the CVE will be analyzed by NVD staff within 24 hours.

More info

Source

responsibledisclosure@mattermost.com

CVE-2025-20033