Main Vulnerability Database Vulnerabilities #VU34216

Input validation error in Mattermost Server - CVE-2018-21249

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

Vulnerability identifier: #VU34216

CSH Severity: Low

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

CVE-ID: CVE-2018-21249

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 non-authenticated attacker to gain access to sensitive information.

An issue was discovered in Mattermost Server before 5.3.0. It mishandles timing.

Install update from vendor's website.