Improper register access control in ASP may allow a privileged attacker to perform…
Priority LOW 36CWE-1262Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00186 8th percentileScored 2026-11-07
Fix Fixed AMD EPYC™ 7002 Series Processors (AMD): RomePI 100H SEV 0.24.19 [hex 00.18.13]AMD Ryzen™ Threadripper™ 3000 Processors (AMD): CastlePeakPI-SP3r3_1.0.0.F+8 more products
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| AMD | AMD EPYC™ 7002 Series Processors | — | RomePI 100H SEV 0.24.19 [hex 00.18.13] | Patch available | CNA |
| AMD | AMD Ryzen™ Threadripper™ 3000 Processors | — | CastlePeakPI-SP3r3_1.0.0.F | Patch available | CNA |
| AMD | AMD Ryzen™ Threadripper™ PRO 3000 WX Processors | — | ChagallWSPI-sWRX8 1.0.0.C, CastlePeakWSPI-sWRX8 1.0.0.H | Patch available | CNA |
| AMD | AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics | — | PicassoPI-FP5_1.0.1.2c | Patch available | CNA |
| AMD | AMD EPYC™ Embedded 7002 Series Processors | — | EmbRomePI-SP3 1.0.0.B | Patch available | CNA |
| AMD | AMD EPYC™ Embedded 7003 Series Processors | — | EmbMilanPI-SP3 1.0.0.8 | Patch available | CNA |
| AMD | AMD Ryzen™ Embedded R1000 Series Processors | — | EmbeddedPI-FP5 1211 | Patch available | CNA |
| AMD | AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics | — | EmbeddedPI-FP5 1211 | Patch available | CNA |
| AMD | AMD Ryzen™ Embedded R2000 Series Processors | — | EmbeddedR2KPI-FP5 1006 | Patch available | CNA |
| AMD | AMD Ryzen™ Embedded V1000 Series Processors | — | EmbeddedPI-FP5 1211 RC1 | Patch available | CNA |
- AMD EPYC™ 7002 Series Processors VendorAMD Affected — Fixed in RomePI 100H SEV 0.24.19 [hex 00.18.13] Patch available CNA
- AMD Ryzen™ Threadripper™ 3000 Processors VendorAMD Affected — Fixed in CastlePeakPI-SP3r3_1.0.0.F Patch available CNA
- AMD Ryzen™ Threadripper™ PRO 3000 WX Processors VendorAMD Affected — Fixed in ChagallWSPI-sWRX8 1.0.0.C, CastlePeakWSPI-sWRX8 1.0.0.H Patch available CNA
- AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics VendorAMD Affected — Fixed in PicassoPI-FP5_1.0.1.2c Patch available CNA
- AMD EPYC™ Embedded 7002 Series Processors VendorAMD Affected — Fixed in EmbRomePI-SP3 1.0.0.B Patch available CNA
- AMD EPYC™ Embedded 7003 Series Processors VendorAMD Affected — Fixed in EmbMilanPI-SP3 1.0.0.8 Patch available CNA
- AMD Ryzen™ Embedded R1000 Series Processors VendorAMD Affected — Fixed in EmbeddedPI-FP5 1211 Patch available CNA
- AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics VendorAMD Affected — Fixed in EmbeddedPI-FP5 1211 Patch available CNA
- AMD Ryzen™ Embedded R2000 Series Processors VendorAMD Affected — Fixed in EmbeddedR2KPI-FP5 1006 Patch available CNA
- AMD Ryzen™ Embedded V1000 Series Processors VendorAMD Affected — Fixed in EmbeddedPI-FP5 1211 RC1 Patch available CNA
Remediation
- Fix · CNA AMD EPYC™ 7002 Series Processors (AMD) Fixed in RomePI 100H SEV 0.24.19 [hex 00.18.13]
- Fix · CNA AMD Ryzen™ Threadripper™ 3000 Processors (AMD) Fixed in CastlePeakPI-SP3r3_1.0.0.F
- Fix · CNA AMD Ryzen™ Threadripper™ PRO 3000 WX Processors (AMD) Fixed in ChagallWSPI-sWRX8 1.0.0.C, CastlePeakWSPI-sWRX8 1.0.0.H
- Fix · CNA AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics (AMD) Fixed in PicassoPI-FP5_1.0.1.2c
- Fix · CNA AMD EPYC™ Embedded 7002 Series Processors (AMD) Fixed in EmbRomePI-SP3 1.0.0.B
- Fix · CNA AMD EPYC™ Embedded 7003 Series Processors (AMD) Fixed in EmbMilanPI-SP3 1.0.0.8
- Fix · CNA AMD Ryzen™ Embedded R1000 Series Processors (AMD) Fixed in EmbeddedPI-FP5 1211
- Fix · CNA AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics (AMD) Fixed in EmbeddedPI-FP5 1211
- Fix · CNA AMD Ryzen™ Embedded R2000 Series Processors (AMD) Fixed in EmbeddedR2KPI-FP5 1006
- Fix · CNA AMD Ryzen™ Embedded V1000 Series Processors (AMD) Fixed in EmbeddedPI-FP5 1211 RC1
Timeline
- 2026-10-02 Threatist record created from CVE-2023-20599
- 2026-10-03 Alias added: GHSA-7rc6-r844-3mww
More AMD vulnerabilities
- TI-2026-36341 AI Tensor Engine for ROCm (AITER) 0.1.14 Unauthenticated RCE via MessageQueue.recv() Pickle Deserialization CVSS 4.0CRITICAL 9.2
- TI-2023-07046 Improper privilege management in AMD Radeon™ RX 5000 Series Graphics Cards CVSS 3.1HIGH 7.8
- TI-2023-04574 GPU kernel implementations susceptible to memory leak CVSS 3.1MEDIUM 6.5
- TI-2023-07042 Information disclosure through error messages in AMD Ryzen™ 3000 Series Desktop… CVSS 3.1MEDIUM 5.5
- TI-2023-23747 PVRIC (PowerVR Image Compression) on Imagination 2018 and later GPU devices offers… CVSS 3.1MEDIUM 5.3
- TI-2022-07839 Improper access control in System Management Mode (SMM) may allow an attacker to write to… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-20599 · CVE Program
- CVE-2023-20599 · NVD
- FIRST EPSS
- GHSA-7rc6-r844-3mww · GitHub Advisory Database · CC BY 4.0
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