CVE-2023-20599 HIGH

CVE-2023-20599

Weakness CWE-1262
Published June 10, 2025
Last update February 26, 2026

CVSS base score

7.9/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 10, 2025 CVE published
February 26, 2026 Record updated