CVE-2021-43066 Privilege escalation in Fortinet FortiClientWindows
An attacker can escalate privileges on Windows systems by exploiting improper file path control in the FortiClient MSI installer.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-43066?
CVE-2021-43066 is a high-severity vulnerability in Fortinet Forticlient, published on 11 May 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A external control of file name or path in Fortinet FortiClientWindows version 7.0.2 and below, version 6.4.6 and below, version 6.2.9 and below, version 6.0.10 and below allows attacker to escalate privilege via the MSI installer.
Weakness: CWE-668
Which versions are affected by CVE-2021-43066?
It affects 1 product.
Products include Fortinet Forticlient.
How do I fix CVE-2021-43066?
No fix has been published for CVE-2021-43066 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-43066 being exploited?
There is no known exploitation of CVE-2021-43066 in the wild and no public exploit code.
Other vulnerabilities in Fortinet Forticlient
- CVE-2019-17658 Privilege escalation in Fortinet FortiClientWindows
- CVE-2023-45590 Code injection in FortiClientLinux
- CVE-2017-14184 Information disclosure in FortiClient SSLVPN Client for Linux
- CVE-2016-8493 Privilege escalation in Fortinet FortiClient
- CVE-2020-15934 Privilege escalation in FortiClientLinux
Sources
Also known as GHSA-726x-mfp5-rvmh.