#VU69939 Improper Authentication in FortiOS - CVE-2022-35843

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Main Vulnerability Database Vulnerabilities #VU69939

#VU69939 Improper Authentication in FortiOS - CVE-2022-35843

Published: December 6, 2022


Vulnerability identifier: #VU69939
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2022-35843
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
FortiOS
Software vendor:
Fortinet, Inc

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in FortiOS SSH login component when processing authentication requests if RADIUS authentication is used. A remote attacker can bypass authentication process and login into the device via sending specially crafted Access-Challenge response from the Radius server.


Remediation

Install updates from vendor's website.

External links