Improper Register Access Control in AMD Crypto Co-Processor
CVE-2023-20599

7.9HIGH

What is CVE-2023-20599?

A vulnerability in the AMD Crypto Co-Processor arises from improper register access control, allowing an attacker with elevated privileges to gain unauthorized access to sensitive CCP registers. This exploitation may lead to compromised cryptographic operations by potentially altering key pointer or index values, thereby jeopardizing both the integrity and confidentiality of cryptographic data.

Affected Version(s)

AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics EmbeddedPI-FP5 1211

AMD EPYC™ 7002 Series Processors RomePI 100H SEV 0.24.19 [hex 00.18.13]

AMD EPYC™ Embedded 7002 Series Processors EmbRomePI-SP3 1.0.0.B

References

CVSS V3.1

Score:
7.9
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.