Vulnerabilities > CVE-2024-4182 - Improper Check for Unusual or Exceptional Conditions vulnerability in Mattermost Server

CVSS 4.3 - MEDIUM

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

LOW

Confidentiality impact

NONE

Integrity impact

NONE

Availability impact

LOW

network

low complexity

mattermost

CWE-754

NVD

Published: 2024-04-26

Updated: 2025-05-12

Summary

Mattermost versions 9.6.0, 9.5.x before 9.5.3, 9.4.x before 9.4.5, and 8.1.x before 8.1.12 fail to handle JSON parsing errors in custom status values, which allows an authenticated attacker to crash other users' web clients via a malformed custom status.

Vulnerable Configurations

Part	Description	Count
Application	Mattermost Mattermost Mattermost Server 8.1.0 Mattermost Mattermost Server 8.1.1 Mattermost Mattermost Server 8.1.2 Mattermost Mattermost Server 8.1.3 Mattermost Mattermost Server 8.1.4 Mattermost Mattermost Server 8.1.5 Mattermost Mattermost Server 8.1.6 Mattermost Mattermost Server 8.1.7 Mattermost Mattermost Server 8.1.8 Mattermost Mattermost Server 8.1.9 Mattermost Mattermost Server 8.1.10 Mattermost Mattermost Server 8.1.11 Mattermost Mattermost Server 9.5.0 Mattermost Mattermost Server 9.5.1 Mattermost Mattermost Server 9.5.2 Mattermost Mattermost Server 9.4.0 Mattermost Mattermost Server 9.4.1 Mattermost Mattermost Server 9.4.2 Mattermost Mattermost Server 9.4.3 Mattermost Mattermost Server 9.4.4 Mattermost Mattermost Server 9.6.0	61

Common Weakness Enumeration (CWE)

CWE-754 - Improper Check for Unusual or Exceptional Conditions

Summary

Vulnerable Configurations

Common Weakness Enumeration (CWE)

References