CVE-2021-22124 Denial of service in Fortinet FortiSandbox, FortiAuthenticator
Unauthenticated attackers can cause denial of service on FortiSandbox and FortiAuthenticator devices by sending crafted long request parameters to login modules.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-22124?
CVE-2021-22124 is a high-severity denial of service vulnerability in Fortinet Fortisandbox, published on 4 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An uncontrolled resource consumption (denial of service) vulnerability in the login modules of FortiSandbox 3.2.0 through 3.2.2, 3.1.0 through 3.1.4, and 3.0.0 through 3.0.6; and FortiAuthenticator before 6.0.6 may allow an unauthenticated attacker to bring the device into an unresponsive state via specifically-crafted long request parameters.
Weakness: CWE-400
Which versions are affected by CVE-2021-22124?
It affects 2 products.
Products include Fortinet Fortiauthenticator, Fortinet Fortisandbox.
How do I fix CVE-2021-22124?
No fix has been published for CVE-2021-22124 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-22124 being exploited?
There is no known exploitation of CVE-2021-22124 in the wild and no public exploit code.
Other vulnerabilities in Fortinet Fortisandbox
Sources
Also known as GHSA-xfq8-42vh-gcw4.