CVE-2023-20599

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 v3.1 Score

7.9

HIGH

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

Weakness Type (CWE)

CWE-1262 CWE-1262

References

Other References

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

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 7.9 (HIGH).

How severe is CVE-2023-20599? +

CVE-2023-20599 has a CVSS v3.1 score of 7.9 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2023-20599? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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