#VU30226 Missing Authorization in Mattermost Server - CVE-2018-21251

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Main Vulnerability Database Vulnerabilities #VU30226

#VU30226 Missing Authorization in Mattermost Server - CVE-2018-21251

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


Vulnerability identifier: #VU30226
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-21251
CWE-ID: CWE-862
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 execute arbitrary code.

An issue was discovered in Mattermost Server before 5.2 and 5.1.1. Authorization could be bypassed if the channel name were not the same in the params and the body.


Remediation

Install update from vendor's website.

External links