#VU107250 Improper restriction of communication channel to intended endpoints in FortiOS - CVE-2024-50565

Vulnerability identifier: #VU107250

Vulnerability risk: High

CVSSv4.0: 4.5 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-50565

CWE-ID: CWE-923

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 perform MitM attack.

The vulnerability exists due to missing certificate name verification for FGFM connection. A remote non-authenticated attacker can intercept the FGFM authentication request between the management device and the managed device and impersonate the management device (FortiCloud server or/and in certain conditions, FortiManager).

Successful exploitation of the vulnerability may allow an attacker to compromise the affected device.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FortiOS: 6.2.0 - 6.2.16, 6.4.0 - 6.4.16, 7.0.0 - 7.0.15, 7.2.0 - 7.2.8, 7.4.0 - 7.4.4

---

External links
https://fortiguard.fortinet.com/psirt/FG-IR-24-046

---

Q & A

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.