#VU30205 Incorrect permission assignment for critical resource in Mattermost Server - CVE-2017-18894

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Main Vulnerability Database Vulnerabilities #VU30205

#VU30205 Incorrect permission assignment for critical resource in Mattermost Server - CVE-2017-18894

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


Vulnerability identifier: #VU30205
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-18894
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 read and manipulate data.

An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5, when used as an OAuth 2.0 service provider. Sometimes. resource-owner authorization is bypassed, allowing account takeover.


Remediation

Install update from vendor's website.

External links