Vulnerabilities

Vulnerability · 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

Published Jun 10, 2025 · catalog updated Feb 26, 2026 · AMD AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics

Check this week

CVE-2023-20599 is not in CISA KEV. FIRST estimates a 18.00% chance of exploitation in the next 30 days. Check whether you run AMD AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
18.00%
Remediation
Advisory link
Affected products
vendor AMD AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics patch: PicassoPI-FP5_1.0.1.2c

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor AMD AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics patch: PicassoPI-FP5_1.0.1.2cpatch: PicassoPI-FP5_1.0.1.2c

How to fix CVE-2023-20599

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2023-20599 is not in CISA KEV. FIRST estimates a 18.00% chance of exploitation in the next 30 days. Check whether you run AMD AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics.

Which versions are affected?

Compare what you have installed with AMD AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics patch: PicassoPI-FP5_1.0.1.2c patch: PicassoPI-FP5_1.0.1.2c. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 18.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 10, 2025 · EUVD

    Detected

    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.

  2. Feb 26, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2023-20599

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.