Privilege escalation in FortiClient for Windows

1) Authentication bypass using an alternate path or channel

EUVDB-ID: #VU100462

Risk: Low

CVSSv4.0: 7.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/U:Clear]

CVE-ID: CVE-2024-47574

CWE-ID: CWE-288 - Authentication Bypass Using an Alternate Path or Channel

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to missing authentication when handling named pipes. A local user can execute arbitrary code with high privilege via spoofed named pipe messages.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Fortinet FortiClient for Windows: 7.0.0 - 7.4.0

CPE2.3

• cpe:2.3:a:fortinet:fortinet_forticlient:7.0.12:*:*:*:*:*:*:*
• cpe:2.3:a:fortinet:fortinet_forticlient:7.2.4:*:*:*:*:*:*:*
• cpe:2.3:a:fortinet:fortinet_forticlient:7.4.0:*:*:*:*:*:*:*

External links

https://fortiguard.fortinet.com/psirt/FG-IR-24-199

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.