CVE-2023-20599

highpriority · track · 0EPSS 0.002 · 7 %ileDEEU

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.18% (7th) EPSS

CVSS 7.9 · high

Is it mine?

18 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-26

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.9highCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:Nsecondary · ENISA EU

v3.17.9highCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:Nsecondary · psirt@amd.comexploitability 1.5 · impact 5.8

v3.17.2highCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1262US

affected products (18)

Products and version ranges known to be affected.

AMD Prozessor EPYCall versionscert_bundDEcpe:/h:amd:amd_processor:epyc
AMD Prozessor Ryzenall versionscert_bundDEcpe:/h:amd:amd_processor:ryzen
Dell Computerall versionscert_bundDEcpe:/o:dell:dell_computer:-
Dell PowerEdgeall versionscert_bundDEcpe:/h:dell:poweredge:-
HP Computerall versionscert_bundDEcpe:/h:hp:computer:-
HPE ProLiantall versionscert_bundDEcpe:/h:hp:proliant:-
Lenovo Computerall versionscert_bundDEcpe:/h:lenovo:computer:-
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics< EmbeddedPI-FP5 1211enisa_euvdEU
AMD AMD EPYC™ 7002 Series Processors< RomePI 100H SEV 0.24.19 [hex 00.18.13]enisa_euvdEU
AMD AMD EPYC™ Embedded 7002 Series Processors< EmbRomePI-SP3 1.0.0.Benisa_euvdEU
AMD AMD EPYC™ Embedded 7003 Series Processors< EmbMilanPI-SP3 1.0.0.8enisa_euvdEU
AMD AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics< PicassoPI-FP5_1.0.1.2cenisa_euvdEU
AMD AMD Ryzen™ Embedded R1000 Series Processors< EmbeddedPI-FP5 1211enisa_euvdEU
AMD AMD Ryzen™ Embedded R2000 Series Processors< EmbeddedR2KPI-FP5 1006enisa_euvdEU
AMD AMD Ryzen™ Embedded V1000 Series Processors< EmbeddedPI-FP5 1211 RC1enisa_euvdEU
AMD AMD Ryzen™ Threadripper™ 3000 Processors< CastlePeakPI-SP3r3_1.0.0.Fenisa_euvdEU
AMD AMD Ryzen™ Threadripper™ PRO 3000 WX Processors< CastlePeakWSPI-sWRX8 1.0.0.Henisa_euvdEU
AMD AMD Ryzen™ Threadripper™ PRO 3000 WX Processors< ChagallWSPI-sWRX8 1.0.0.Cenisa_euvdEU

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-1298AMD Prozessoren: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2025-06-10csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle in AMD Prozessoren ausnutzen, um Sicherheitsvorkehrungen zu umgehen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund NVD CVE.org MITRE

published 2025-06-10modified 2026-06-17

references (6)

External citations — patches, advisories, analysis.

scry

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