Privilege escalation in FortiClient for Windows

1) Improper privilege management

EUVDB-ID: #VU100454

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-2024-36513

CWE-ID: CWE-269 - Improper Privilege Management

Exploit availability: No

Description

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

The vulnerability exists due to improper privilege management when handling LUA scripts. A local user can pass a specially crafted LUA auto patch script to the application and escalate privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Fortinet FortiClient for Windows: 6.4.0 - 7.2.4

CPE2.3

• cpe:2.3:a:fortinet:fortinet_forticlient:6.4.10:*:*:*:*:*:*:*
• cpe:2.3:a:fortinet:fortinet_forticlient:7.0.12:*:*:*:*:*:*:*
• cpe:2.3:a:fortinet:fortinet_forticlient:7.2.4:*:*:*:*:*:*:*

External links

https://fortiguard.fortinet.com/psirt/FG-IR-24-144

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.