CVE-2020-3175 Cisco MDS 9000 Series Multilayer Switches Denial of Service Vulnerability
Remote attackers can cause denial of service on Cisco MDS switches by flooding the management interface with high-rate traffic.
- 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-2020-3175?
CVE-2020-3175 is a high-severity denial of service vulnerability in Cisco Nx-Os, published on 26 Feb 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the resource handling system of Cisco NX-OS Software for Cisco MDS 9000 Series Multilayer Switches could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper resource usage control. An attacker could exploit this vulnerability by sending traffic to the management interface (mgmt0) of an affected device at very high rates. An exploit could allow the attacker to cause unexpected behaviors such as high CPU usage, process crashes, or even full system reboots of an affected device.
Which versions are affected by CVE-2020-3175?
It affects 1 product.
Products include Cisco Nx-Os.
How do I fix CVE-2020-3175?
No fix has been published for CVE-2020-3175 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-2020-3175 being exploited?
There is no known exploitation of CVE-2020-3175 in the wild and no public exploit code.
Other vulnerabilities in Cisco Nx-Os
Sources
Also known as GHSA-wmrh-48xq-4cvm.