Vulnerability in Pcanalyser Pc Analyser
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.
EPSS: 0.006 (46.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Pcanalyser Pc_analyser
- N/a — versions n/a
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-28921?
- CVE-2020-28921 is a high-severity vulnerability in Pcanalyser Pc Analyser. CVSS score: 8.8/10. Published 2020-11-27.
- How severe is CVE-2020-28921?
- High severity. CVSS v3 base score is 8.8 out of 10.