CVE-2021-41031 Path traversal in Fortinet FortiClientWindows
A local unprivileged attacker can escalate privileges to SYSTEM via a relative path traversal in the FortiESNAC service named pipe.
- 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-2021-41031?
CVE-2021-41031 is a high-severity path traversal vulnerability in Fortinet Forticlient, published on 18 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A relative path traversal vulnerability [CWE-23] in FortiClient for Windows versions 7.0.2 and prior, 6.4.6 and prior and 6.2.9 and below may allow a local unprivileged attacker to escalate their privileges to SYSTEM via the named pipe responsible for FortiESNAC service.
Weakness: CWE-22
Which versions are affected by CVE-2021-41031?
It affects 1 product.
Products include Fortinet Forticlient.
How do I fix CVE-2021-41031?
No fix has been published for CVE-2021-41031 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2021-41031 being exploited?
There is no known exploitation of CVE-2021-41031 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-qv22-gh9q-ccq2.