CVE-2020-28921 Detail
Current 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.
Analysis 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.
Severity
References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-269 | Improper Privilege Management | NIST |
Change History
1 change records found show changes
Initial Analysis 11/29/2020 7:21:11 PM
| Action | Type | Old Value | New Value |
|---|---|---|---|
| Added | CPE Configuration |
OR
*cpe:2.3:a:pcanalyser:pc_analyser:*:*:*:*:*:*:*:* versions up to (including) 4.10
|
|
| Added | CVSS V2 |
NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C) |
|
| Added | CVSS V3.1 |
NIST AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
|
| Added | CWE |
NIST CWE-269 |
|
| Changed | Reference Type |
http://www.pcanalyser.de/index.php/historie/ No Types Assigned |
http://www.pcanalyser.de/index.php/historie/ Release Notes, Vendor Advisory |
| Changed | Reference Type |
https://github.com/eset/vulnerability-disclosures No Types Assigned |
https://github.com/eset/vulnerability-disclosures Third Party Advisory |
| Changed | Reference Type |
https://github.com/eset/vulnerability-disclosures/blob/master/CVE-2020-28921/CVE-2020-28921.md No Types Assigned |
https://github.com/eset/vulnerability-disclosures/blob/master/CVE-2020-28921/CVE-2020-28921.md Exploit, Third Party Advisory |
Quick Info
CVE Dictionary Entry:
CVE-2020-28921
NVD Published Date:
11/27/2020
NVD Last Modified:
11/29/2020
Source:
MITRE