CVE-2021-28685 Privilege escalation in n/a

High 7.8 Published Updated

Low-privileged users can escalate to SYSTEM privileges by interacting with physical memory and MSR registers via the ASUS GPU Tweak II driver.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-28685?

CVE-2021-28685 is a high-severity vulnerability in n/a, published on 8 Apr 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

AsIO2_64.sys and AsIO2_32.sys in ASUS GPUTweak II before 2.3.0.3 allow low-privileged users to interact directly with physical memory (by calling one of several driver routines that map physical memory into the virtual address space of the calling process) and to interact with MSR registers. This could enable low-privileged users to achieve NT AUTHORITY\SYSTEM privileges via a DeviceIoControl.

Which versions are affected by CVE-2021-28685?

It affects 1 product.

Products include Asus Gputweak Ii.

How do I fix CVE-2021-28685?

No fix has been published for CVE-2021-28685 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-28685 being exploited?

There is no known exploitation of CVE-2021-28685 in the wild and no public exploit code.

Sources

Also known as GHSA-xhw8-68ww-6958.

Is CVE-2021-28685 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free