CVE-2019-6830 Denial of service in Modicon M580
An attacker can cause a denial of service on Schneider Electric Modicon M580 controllers by sending a specifically timed HTTP request.
- 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-2019-6830?
CVE-2019-6830 is a medium-severity denial of service vulnerability in Schneider Electric SE Modicon M580, published on 17 Sep 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A CWE-248: Uncaught Exception vulnerability exists IN Modicon M580 all versions prior to V2.80, which could cause a possible denial of service when sending an appropriately timed HTTP request to the controller.
Which versions are affected by CVE-2019-6830?
It affects 1 product.
Products include Schneider-Electric Modicon M580 Firmware.
How do I fix CVE-2019-6830?
No fix has been published for CVE-2019-6830 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-2019-6830 being exploited?
There is no known exploitation of CVE-2019-6830 in the wild and no public exploit code.
Sources
Also known as GHSA-xjgc-mvgw-p5qh.