CVE-2020-0523 Denial of service in Intel(R) Ethernet I210 Controller series of network adapters
A privileged local user can cause a denial of service in Intel Ethernet I210 controllers due to improper access control in the firmware.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-0523?
CVE-2020-0523 is a medium-severity denial of service vulnerability in Intel(R) Ethernet I210 Controller series of network adapters, published on 17 Feb 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper access control in the firmware for the Intel(R) Ethernet I210 Controller series of network adapters before version 3.30 may potentially allow a privileged user to enable a denial of service via local access.
Which versions are affected by CVE-2020-0523?
It affects 1 product.
Products include Intel Ethernet Controller I210 Firmware.
How do I fix CVE-2020-0523?
No fix has been published for CVE-2020-0523 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-2020-0523 being exploited?
There is no known exploitation of CVE-2020-0523 in the wild and no public exploit code.
Other vulnerabilities in Intel(R) Ethernet I210 Controller series of network adapters
Sources
Also known as GHSA-26wj-j8fv-r797.