#VU30177 Improper Authentication in Mattermost Server - CVE-2017-18906

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Main Vulnerability Database Vulnerabilities #VU30177

#VU30177 Improper Authentication in Mattermost Server - CVE-2017-18906

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


Vulnerability identifier: #VU30177
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-2017-18906
CWE-ID: CWE-287
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 4.0.0, 3.10.2, and 3.9.2, when Single Sign-On OAuth2 is used. An attacker could claim somebody else's account.


Remediation

Install update from vendor's website.

External links