CVE-2021-36194 Memory corruption in Fortinet FortiWeb
Authenticated attackers can achieve arbitrary code execution via stack-based buffer overflows in FortiWeb API controllers.
- 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-2021-36194?
CVE-2021-36194 is a high-severity memory corruption vulnerability in Fortinet Fortiweb, published on 9 Dec 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Multiple stack-based buffer overflows in the API controllers of FortiWeb 6.4.1, 6.4.0, and 6.3.0 through 6.3.15 may allow an authenticated attacker to achieve arbitrary code execution via specially crafted requests.
Weakness: CWE-787
Which versions are affected by CVE-2021-36194?
It affects 1 product.
Products include Fortinet Fortiweb.
How do I fix CVE-2021-36194?
No fix has been published for CVE-2021-36194 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-36194 being exploited?
There is no known exploitation of CVE-2021-36194 in the wild and no public exploit code.
Other vulnerabilities in Fortinet Fortiweb
Sources
Also known as GHSA-x4wq-ph23-36hw.