#VU75739 Insufficiently protected credentials in FortiNAC and FortiNAC-F - CVE-2022-45859

Vulnerability identifier: #VU75739

Vulnerability risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-45859

CWE-ID: CWE-522

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
FortiNAC
Server applications / IDS/IPS systems, Firewalls and proxy servers
FortiNAC-F
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Fortinet, Inc

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due usage of a weak hashing method in /etc/shadow. A local user can read and decrypt passwords that belong to other users on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FortiNAC: 8.7.0 - 9.4.1

FortiNAC-F: 7.2.0

---

External links
https://fortiguard.fortinet.com/psirt/FG-IR-22-456

---

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.