CVE-2020-5622 Denial of service in Shadankun Server Security Type (excluding normal blocking method types)
Remote attackers can cause a denial of service preventing new attack source IPs from being blocked for ten minutes via crafted requests.
- 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-2020-5622?
CVE-2020-5622 is a high-severity denial of service vulnerability in Cyber Security Cloud , Inc. Shadankun Server Security Type (excluding normal blocking method types), published on 2 Sep 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Shadankun Server Security Type (excluding normal blocking method types) Ver.1.5.3 and earlier allows remote attackers to cause a denial of service which may result in not being able to add newly detected attack source IP addresses as blocking targets for about 10 minutes via a specially crafted request.
Which versions are affected by CVE-2020-5622?
It affects 1 product.
Products include Shadan-Kun Server Security Type.
How do I fix CVE-2020-5622?
No fix has been published for CVE-2020-5622 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-2020-5622 being exploited?
There is no known exploitation of CVE-2020-5622 in the wild and no public exploit code.
Sources
Also known as GHSA-9h6c-p2fm-j5qx.