CVE Vulnerability

CVE-2020-28921

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.

7.2 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2 / Impact : 6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References
Link Resource
http://www.pcanalyser.de/index.php/historie/ Release Notes Vendor Advisory
https://github.com/eset/vulnerability-disclosures Third Party Advisory
https://github.com/eset/vulnerability-disclosures/blob/master/CVE-2020-28921/CVE-2020-28921.md Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:pcanalyser:pc_analyser:*:*:*:*:*:*:*:*
Information

Published : 2020-11-27 06:15

Updated : 2021-07-21 11:39

NVD link : CVE-2020-28921

Mitre link : CVE-2020-28921

Products Affected
No products.
CWE
NVD-CWE-noinfo