Improper Authentication in Mattermost Desktop App - CVE-2020-14455
Published: June 25, 2020
Vulnerability identifier: #VU29284
CSH Severity: Medium
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-14455
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to the prompting for HTTP Basic Authentication is mishandled, allowing phishing. A remote attacker can bypass authentication process and gain unauthorized access to the application.
Affected software
Mattermost Desktop App
How to mitigate CVE-2020-14455
Install updates from vendor's website.
Mattermost Desktop App - update to 4.4.0