CVE-2021-33128 Denial of service in Intel(R) E810 Ethernet Controllers

Medium 4.4 Published Updated

A privileged local user can cause a denial of service on Intel E810 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-2021-33128?

CVE-2021-33128 is a medium-severity denial of service vulnerability in Intel(R) E810 Ethernet Controllers, 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) E810 Ethernet Controllers before version 1.6.0.6 may allow a privileged user to potentially enable denial of service via local access.

Which versions are affected by CVE-2021-33128?

It affects 1 product.

Products include Intel Ethernet Controller E810 Firmware.

How do I fix CVE-2021-33128?

No fix has been published for CVE-2021-33128 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-2021-33128 being exploited?

There is no known exploitation of CVE-2021-33128 in the wild and no public exploit code.

Sources

Also known as GHSA-wm3q-48m9-f8mr.

Is CVE-2021-33128 in your software?

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