Main Vulnerability Database Vulnerabilities #VU34220

#VU34220 Improper Neutralization of Special Elements in Output Used by a Downstream Component in Mattermost Server - CVE-2018-21258

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

Vulnerability identifier: #VU34220

Vulnerability risk: Medium

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

CVE-ID: CVE-2018-21258

CWE-ID: CWE-74

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 perform a denial of service (DoS) attack.

An issue was discovered in Mattermost Server before 5.1. It allows attackers to cause a denial of service via the invite_people slash command.

Install update from vendor's website.