// For flags

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
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* 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
  • 2023-05-14 EPSS Updated
  • 2024-09-17 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-284: Improper Access Control
CAPEC
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