Main Vulnerability Database Vulnerabilities #VU34213

Input validation error in Mattermost Server - CVE-2018-21264

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

Vulnerability identifier: #VU34213

CSH Severity: High

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

CVE-ID: CVE-2018-21264

CWE-ID: CWE-20

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 execute arbitrary code.

An issue was discovered in Mattermost Server before 4.7.0, 4.6.2, and 4.5.2. It did not enforce the expiration date of a SAML response.

Install update from vendor's website.