CVE-2023-20599 — HIGH (7.9)

Vulnerability 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.

CVSS Score

7.9

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Related Weaknesses (CWE)

CWE-1262

References

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

FAQ

What is CVE-2023-20599?

CVE-2023-20599 is a vulnerability with a CVSS score of 7.9 (HIGH). 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 c...

How severe is CVE-2023-20599?

CVE-2023-20599 has been rated HIGH with a CVSS base score of 7.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-20599?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.