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.
Published: 2025-06-10
Score: 7.9 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2023-24778 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.
History

Fri, 21 Nov 2025 21:30:00 +0000

Type Values Removed Values Added
References

Fri, 21 Nov 2025 20:45:00 +0000

Type Values Removed Values Added
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. 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.
References

Sat, 12 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00016}

 epss

{'score': 0.00018}

Fri, 13 Jun 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 10 Jun 2025 16:30:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-1262
References
Metrics cvssV3_1

{'score': 7.9, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: AMD

Published:

Updated: 2026-02-26T17:51:02.287Z

Reserved: 2022-10-27T18:53:39.763Z

Link: CVE-2023-20599

cve-icon Vulnrichment

Updated: 2025-06-13T15:08:23.157Z

cve-icon NVD

Status : Deferred

Published: 2025-06-10T17:17:51.013

Modified: 2026-04-15T00:35:42.020

Link: CVE-2023-20599

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses