CVE-2021-42753 Path traversal in n/a
An authenticated attacker can delete arbitrary files and directories on FortiWeb devices via a path traversal vulnerability in the management interface.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-42753?
CVE-2021-42753 is a high-severity path traversal vulnerability in Fortinet Fortiweb, published on 2 Feb 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability [CWE-22] in FortiWeb management interface 6.4.1 and below, 6.3.15 and below, 6.2.x, 6.1.x, 6.0.x, 5.9.x and 5.8.x may allow an authenticated attacker to perform an arbitrary file and directory deletion in the device filesystem.
Weakness: CWE-22
Which versions are affected by CVE-2021-42753?
It affects 1 product.
Products include Fortinet Fortiweb.
How do I fix CVE-2021-42753?
No fix has been published for CVE-2021-42753 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-2021-42753 being exploited?
There is no known exploitation of CVE-2021-42753 in the wild and no public exploit code.
Other vulnerabilities in Fortinet Fortiweb
Sources
Also known as GHSA-4h43-2654-6c5f.