CVE-2021-26334
AMD Chipset Driver Information Disclosure Vulnerability
Severity Score
9.9
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
The AMDPowerProfiler.sys driver of AMD μProf tool may allow lower privileged users to access MSRs in kernel which may lead to privilege escalation and ring-0 code execution by the lower privileged user.
El controlador AMDPowerProfiler.sys de la herramienta AMD ?Prof puede permitir a los usuarios con menos privilegios acceder a los MSR en el kernel, lo que puede llevar a una escalada de privilegios y a la ejecución de código ring-0 por parte del usuario con menos privilegios
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-01-29 CVE Reserved
- 2021-12-01 CVE Published
- 2024-09-17 CVE Updated
- 2024-12-17 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-284: Improper Access Control
CAPEC
References (1)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1016 | 2023-11-07 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Amd Search vendor "Amd" | Amd Uprof Search vendor "Amd" for product "Amd Uprof" | < 3.4.494 Search vendor "Amd" for product "Amd Uprof" and version " < 3.4.494" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Search vendor "Microsoft" for product "Windows" | - | - |
Safe
|
| Amd Search vendor "Amd" | Amd Uprof Search vendor "Amd" for product "Amd Uprof" | < 3.4.502 Search vendor "Amd" for product "Amd Uprof" and version " < 3.4.502" | - |
Affected
| in | Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | - | - |
Safe
|