Vulnerability Details : CVE-2020-28921
Potential exploit
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.
Products affected by CVE-2020-28921
- cpe:2.3:a:pcanalyser:pc_analyser:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-28921
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 39 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-28921
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
8.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
2.0
|
6.0
|
NIST |
References for CVE-2020-28921
-
https://github.com/eset/vulnerability-disclosures
GitHub - eset/vulnerability-disclosures: Repository of vulnerabilities disclosed by ESETThird Party Advisory
-
http://www.pcanalyser.de/index.php/historie/
Historie – PC AnalyserRelease Notes;Vendor Advisory
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https://github.com/eset/vulnerability-disclosures/blob/master/CVE-2020-28921/CVE-2020-28921.md
vulnerability-disclosures/CVE-2020-28921.md at master · eset/vulnerability-disclosures · GitHubExploit;Third Party Advisory
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