CVE-2021-20675 Denial of service in M-System DL8 series
Remote authenticated attackers can cause a denial of service condition in M-System DL8 series industrial data loggers.
- 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-2021-20675?
CVE-2021-20675 is a medium-severity denial of service vulnerability in M-System DL8 series, published on 18 Mar 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
M-System DL8 series (type A (DL8-A) versions prior to Ver3.0, type B (DL8-B) versions prior to Ver3.0, type C (DL8-C) versions prior to Ver3.0, type D (DL8-D) versions prior to Ver3.0, and type E (DL8-E) versions prior to Ver3.0) allows remote authenticated attackers to cause a denial of service (DoS) condition via unspecified vectors.
Which versions are affected by CVE-2021-20675?
It affects 5 products.
Products include M-System Dl8-a Firmware, M-System Dl8-B Firmware, M-System Dl8-C Firmware, M-System Dl8-D Firmware, M-System Dl8-E Firmware.
How do I fix CVE-2021-20675?
No fix has been published for CVE-2021-20675 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-2021-20675 being exploited?
There is no known exploitation of CVE-2021-20675 in the wild and no public exploit code.
Other vulnerabilities in M-System DL8 series
Sources
Also known as GHSA-c5hr-whfp-6f78.