AUGUST 4, 2026
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Case File

CVE-2025-20033

MEDIUM · CVSS 4.3 EPSS 0.60%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-01-09 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.3. See the original NVD description below for full technical details.

CVE
CVE-2025-20033
Severity
MEDIUM
CVSS
4.3
EPSS
0.60%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)