Vulnerability identifier: #VU69939
Vulnerability risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-287
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
FortiOS
Operating systems & Components /
Operating system
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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
FortiOS: 7.2.0 - 7.2.1, 7.0.0 - 7.0.7, 6.4.0 - 6.4.9
External links
http://fortiguard.com/psirt/FG-IR-22-255
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.