CVE-2021-26089 Path traversal in Fortinet FortiClientMac
A non-privileged user can execute arbitrary privileged shell commands during installation due to improper symlink handling in FortiClient for Mac.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-26089?
CVE-2021-26089 is a medium-severity path traversal vulnerability in Fortinet Forticlient, published on 12 Jul 2021. 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 symlink following in FortiClient for Mac 6.4.3 and below may allow an non-privileged user to execute arbitrary privileged shell commands during installation phase.
Weakness: CWE-59
Which versions are affected by CVE-2021-26089?
It affects 1 product.
Products include Fortinet Forticlient.
How do I fix CVE-2021-26089?
No fix has been published for CVE-2021-26089 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-2021-26089 being exploited?
There is no known exploitation of CVE-2021-26089 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-778f-2fc2-jrq9.