CVE-2021-22127 Command injection in Fortinet FortiClientLinux
An attacker can execute arbitrary code as root by tricking a user into connecting to a malicious network name.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-22127?
CVE-2021-22127 is a high-severity command injection vulnerability in Fortinet Forticlient, published on 6 Apr 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
An improper input validation vulnerability in FortiClient for Linux 6.4.x before 6.4.3, FortiClient for Linux 6.2.x before 6.2.9 may allow an unauthenticated attacker to execute arbitrary code on the host operating system as root via tricking the user into connecting to a network with a malicious name.
Weakness: CWE-78
Which versions are affected by CVE-2021-22127?
It affects 1 product.
Products include Fortinet Forticlient.
How do I fix CVE-2021-22127?
No fix has been published for CVE-2021-22127 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2021-22127 being exploited?
There is no known exploitation of CVE-2021-22127 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-x68v-pfcv-26fm.