#VU29285 Improper Authentication in Mattermost Desktop App - CVE-2020-14456
Published: June 25, 2020
Vulnerability identifier: #VU29285
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-14456
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mattermost Desktop App
Mattermost Desktop App
Software vendor:
Mattermost, Inc.
Mattermost, Inc.
Description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to the Same Origin Policy is mishandled during access-control decisions for web APIs which allows 3rd-party origins access to restricted web APIs. A remote attacker can bypass authentication process and gain unauthorized access to the application.
Remediation
Install updates from vendor's website.