CVE-2020-13559 Denial of service in FreyrSCADA
A specially crafted packet can cause a denial of service in the FreyrSCADA IEC-60879-5-104 Server Simulator.
- 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-2020-13559?
CVE-2020-13559 is a medium-severity denial of service vulnerability in FreyrSCADA, published on 11 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A denial-of-service vulnerability exists in the traffic-logging functionality of FreyrSCADA IEC-60879-5-104 Server Simulator 21.04.028. A specially crafted packet can lead to denial of service. An attacker can send a malicious packet to trigger this vulnerability.
Which versions are affected by CVE-2020-13559?
It affects 1 product.
Products include Freyrscada Iec-60879-5-104 Server Simulator.
How do I fix CVE-2020-13559?
No fix has been published for CVE-2020-13559 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-2020-13559 being exploited?
There is no known exploitation of CVE-2020-13559 in the wild and no public exploit code.
Sources
Also known as GHSA-jx3f-3w4x-79wc.