CVE-2023-20599
Improper register access control in ASP may allow a privileged attacker to perform unauthorized...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2023-20599- CVSS 3.1
- 7.9 High
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N - Weakness
- CWE-1262
- Updated
- 2026-11-02
EUVDEUVD-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.
- Record
EUVD-2023-24778- CVSS 3.1
- 7.9 High
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-7rc6-r844-3mww
Improper register access control in ASP may allow a privileged attacker to perform unauthorized...
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.
- Record
GHSA-7rc6-r844-3mww- CVSS 3.1
- 7.9 High
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N - Weakness
- CWE-1262
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2023-20599- CVSS 3.1
- 7.9 High
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N - Weakness
- CWE-1262
- Updated
- 2026-11-02
Affected products
- amd athlon™ 3000 series mobile processors with radeon™ graphics
- amd epyc™ 7002 series processors
- amd epyc™ embedded 7002 series processors
- amd epyc™ embedded 7003 series processors
- amd ryzen™ 3000 series mobile processors with radeon™ graphics
- amd ryzen™ embedded r1000 series processors
- amd ryzen™ embedded r2000 series processors
- amd ryzen™ embedded v1000 series processors
- amd ryzen™ threadripper™ 3000 processors
- amd ryzen™ threadripper™ pro 3000 wx processors
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-20599 is a high vulnerability (CVSS 7.9) in Amd Athlon™ 3000 Series Mobile Processors With Radeon™ Graphics, published June 10, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 8th percentile. No source names a fixed version.