Main Vulnerability Database Vulnerabilities #VU34218

#VU34218 Incorrect permission assignment for critical resource in Mattermost Server - CVE-2018-21255

Published: June 19, 2020 / Updated: August 8, 2020

Vulnerability identifier: #VU34218

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2018-21255

CWE-ID: CWE-732

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Mattermost Server

Software vendor:
Mattermost, Inc.

Description

The vulnerability allows a remote authenticated user to manipulate data.

An issue was discovered in Mattermost Server before 5.1. Non-members of a channel could use the Channel PATCH API to modify that channel.

Install update from vendor's website.