#VU94000 Improper certificate validation in FortiADC - CVE-2023-50179

Vulnerability identifier: #VU94000

Vulnerability risk: Medium

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-50179

CWE-ID: CWE-295

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FortiADC
Server applications / Other server solutions

Vendor: Fortinet, Inc

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to improper validation of client-side certificate when establishing secure connections with public SDN connectors. A remote attacker can perform MitM attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FortiADC: 7.0.0 - 7.0.5, 7.1.0 - 7.1.4, 7.2.0 - 7.2.6, 7.4.0

---

External links
https://fortiguard.fortinet.com/psirt/FG-IR-23-480

---

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.