CVE-2021-33126 Missing authorization in Intel(R) 700 and 722 Series Ethernet Controllers and Adapters
A privileged local user can cause a denial of service in Intel Ethernet 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-2021-33126?
CVE-2021-33126 is a medium-severity missing authorization vulnerability in Intel(R) 700 and 722 Series Ethernet Controllers and Adapters, published on 18 Aug 2022. 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 some Intel(R) 700 and 722 Series Ethernet Controllers and Adapters before versions 8.5 and 1.5.5 may allow a privileged user to potentially enable denial of service via local access.
Which versions are affected by CVE-2021-33126?
It affects 7 products.
Products include Intel Ethernet Controller V710 Firmware, Intel Ethernet Controller X710 Firmware, Intel Ethernet Controller Xl710 Firmware, Intel Ethernet Controller Xxv710 Firmware, Intel Ethernet Network Adapter X722da2 Firmware, Intel Ethernet Network Adapter X722da4fh Firmware and 1 more.
How do I fix CVE-2021-33126?
No fix has been published for CVE-2021-33126 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-33126 being exploited?
There is no known exploitation of CVE-2021-33126 in the wild and no public exploit code.
Sources
Also known as GHSA-8f6q-9972-q659.