CVE-2023-20599

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-20599
Improper register access control in ASP may allow a privileged attacker to perform unauthorized access to ASP’s Crypto Co-Processor (CCP) registers from x86 resulting in potential loss of control of cryptographic key pointer/index leading to loss of integrity or confidentiality.

7.9 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.5 / Impact : 5.8

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-7039.html
Configurations

No configuration.

History

21 Nov 2025, 21:15

Type Values Removed Values Added
References
  • {'url': 'https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7039.html', 'source': '[email protected]'}
  • () https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-7039.html -
Summary (en) Improper register access control in ASP may allow a privileged attacker to perform unauthorized access to ASP’s Crypto Co-Processor (CCP) registers from x86, resulting in potential loss of control of cryptographic key pointer/index, leading to loss of integrity or confidentiality. (en) Improper register access control in ASP may allow a privileged attacker to perform unauthorized access to ASP’s Crypto Co-Processor (CCP) registers from x86 resulting in potential loss of control of cryptographic key pointer/index leading to loss of integrity or confidentiality.
Information

Published : 2025-06-10 17:17

Updated : 2025-11-21 21:15

NVD link : CVE-2023-20599

Mitre link : CVE-2023-20599

CVE.ORG link : CVE-2023-20599

JSON object : View

Products Affected

No product.

CWE
CWE-1262

Improper Access Control for Register Interface