CVE-2021-41017 Memory corruption in Fortinet FortiWeb
Remote authenticated attackers can execute arbitrary code via heap-based buffer overflows in FortiWeb web 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-2021-41017?
CVE-2021-41017 is a high-severity memory corruption vulnerability in Fortinet Fortiweb, published on 8 Dec 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Multiple heap-based buffer overflow vulnerabilities in some web API controllers of FortiWeb 6.4.1, 6.4.0, and 6.3.0 through 6.3.15 may allow a remote authenticated attacker to execute arbitrary code or commands via specifically crafted HTTP requests.
Weakness: CWE-787
Which versions are affected by CVE-2021-41017?
It affects 1 product.
Products include Fortinet Fortiweb.
How do I fix CVE-2021-41017?
No fix has been published for CVE-2021-41017 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-2021-41017 being exploited?
There is no known exploitation of CVE-2021-41017 in the wild and no public exploit code.
Other vulnerabilities in Fortinet Fortiweb
Sources
Also known as GHSA-qgc2-ccpf-f2fm.