CVE-2020-28922

high

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 arbitrary physical memory. This could lead to arbitrary Ring-0 code execution and escalation of privileges.

References

https://github.com/eset/vulnerability-disclosures/blob/master/CVE-2020-28922/CVE-2020-28922.md

https://github.com/eset/vulnerability-disclosures

http://www.pcanalyser.de/index.php/historie/

Details

Source: Mitre, NVD

Published: 2020-11-27

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00068