🔐 CVE Alert

CVE-2023-20599

HIGH 7.9
CVSS Score
7.9
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-1262
Vendor amd
Product amd epyc™ 7002 series processors
Published Jun 10, 2025
Last Updated Feb 26, 2026
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CVSS v3 Breakdown

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

Affected Versions

AMD / AMD EPYC™ 7002 Series Processors
All versions affected
AMD / AMD Ryzen™ Threadripper™ 3000 Processors
All versions affected
AMD / AMD Ryzen™ Threadripper™ PRO 3000 WX Processors
All versions affected
AMD / AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics
All versions affected
AMD / AMD EPYC™ Embedded 7002 Series Processors
All versions affected
AMD / AMD EPYC™ Embedded 7003 Series Processors
All versions affected
AMD / AMD Ryzen™ Embedded R1000 Series Processors
All versions affected
AMD / AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
All versions affected
AMD / AMD Ryzen™ Embedded R2000 Series Processors
All versions affected
AMD / AMD Ryzen™ Embedded V1000 Series Processors
All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗
amd.com: https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-7039.html