Vulnerability CVE-2020-28921


Published: 2020-11-27

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.

Type:

CWE-269

(Improper Privilege Management)

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Pcanalyser -> Pc analyser 

 References:
http://www.pcanalyser.de/index.php/historie/
https://github.com/eset/vulnerability-disclosures
https://github.com/eset/vulnerability-disclosures/blob/master/CVE-2020-28921/CVE-2020-28921.md

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