CVE-2023-20599

June 10, 2025, 5:17 p.m.

7.9
High

Description

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.

Product(s) Impacted

Vendor Product Versions
Amd
  • Asp
  • Crypto Co-processor
  • *
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-1262
Improper Access Control for Register Interface
The product uses memory-mapped I/O registers that act as an interface to hardware functionality from software, but there is improper access control to those registers.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a amd asp / / / / / / / /
a amd crypto_co-processor / / / / / / / /

CVSS Score

7.9 / 10

CVSS Data - 3.1

  • Attack Vector: LOCAL
  • Attack Complexity: LOW
  • Privileges Required: HIGH
  • Scope: CHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: NONE
  • CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N

    View Vector String

Timeline

Published: June 10, 2025, 5:17 p.m.
Last Modified: June 10, 2025, 5:17 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

psirt@amd.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.