CVE-2020-28921 Privilege escalation in n/a
Low-privilege users can exploit the PCADRVX64.SYS kernel driver to read/write arbitrary MSRs, leading to Ring-0 code execution and privilege escalation.
- 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-2020-28921?
CVE-2020-28921 is a high-severity vulnerability in n/a, published on 27 Nov 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in Devid Espenschied PC Analyser through 4.10. The PCADRVX64.SYS kernel driver exposes IOCTL functionality that allows low-privilege users to read and write to arbitrary Model Specific Registers (MSRs). This could lead to arbitrary Ring-0 code execution and escalation of privileges.
Which versions are affected by CVE-2020-28921?
It affects 1 product.
Products include Pcanalyser Pc Analyser.
How do I fix CVE-2020-28921?
No fix has been published for CVE-2020-28921 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-28921 being exploited?
There is no known exploitation of CVE-2020-28921 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-pfq8-gmrx-7h6x.