Main Vulnerability Database Vulnerabilities #VU30190

Incorrect permission assignment for critical resource in Mattermost Server - CVE-2017-18878

Published: June 19, 2020 / Updated: July 17, 2020

Vulnerability identifier: #VU30190

CSH Severity: Low

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

CVE-ID: CVE-2017-18878

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 perform service disruption.

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. Knowledge of a session ID allows revoking another user's session.

Install update from vendor's website.