CVE-2023-20518

lowpriority · track · 0EPSS 0.001 · 1 %ileDEEURU

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.10% (1st) EPSS

CVSS 1.9 · low

Is it mine?

65 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Incomplete cleanup in the ASP may expose the Master Encryption Key (MEK) to a privileged attacker with access to the BIOS menu or UEFI shell and a memory exfiltration vulnerability, potentially resulting in loss of confidentiality.

cvss

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

1.9

010

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

v3.11.9lowAV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.11.9lowCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:Nsecondary · ENISA EU

v3.11.9lowCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:Nsecondary · psirt@amd.comexploitability 0.5 · impact 1.4

v3.11.8lowCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

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

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-459USCWE-459US

affected products (65)

Products and version ranges known to be affected.

AMD Prozessor Athlonall versionscert_bundDEcpe:/h:amd:amd_processor:athlon
AMD Prozessor EPYCall versionscert_bundDEcpe:/h:amd:amd_processor:epyc
AMD Prozessor Ryzenall versionscert_bundDEcpe:/h:amd:amd_processor:ryzen
AMD Radeonall versionscert_bundDEcpe:/h:amd:radeon:-
Dell Computerall versionscert_bundDEcpe:/o:dell:dell_computer:-
Dell PowerEdgeall versionscert_bundDEcpe:/h:dell:poweredge:-
HP Computerall versionscert_bundDEcpe:/h:hp:computer:-
IBM Power Hardware Management Console V10all versionscert_bundDEcpe:/a:ibm:hardware_management_console:v10
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics< ComboAM4V1 1.0.0.Aenisa_euvdEU
AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics< ComboAM4V2 1.2.0.Aenisa_euvdEU
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics< PicassoPI-FP5 1.0.0.Fenisa_euvdEU
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics< PollockPI-FT5 1.0.0.5enisa_euvdEU
AMD AMD EPYC™ 9004 Series Processors< GenoaPI 1.0.0.4enisa_euvdEU
AMD AMD Ryzen™ 3000 Series Desktop Processors< ComboAM4V1 1.0.0.Aenisa_euvdEU
AMD AMD Ryzen™ 3000 Series Desktop Processors< ComboAM4V2 1.2.0.Aenisa_euvdEU
AMD AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics< PicassoPI-FP5 1.0.0.Fenisa_euvdEU
AMD AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics< CezannePI-FP6 1.0.0.Eenisa_euvdEU

showing 20 of 65

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-1837AMD Prozessoren: Mehrere SchwachstellenDeutsch2024-08-13csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in AMD Prozessor und AMD Radeon ausnutzen, um beliebigen Programmcode auszuführen, erhöhte Rechte zu erlangen, einen Denial-of-Service-Zustand zu erzeugen, Daten zu manipulieren, Sicherheitsmaßnahmen zu umgehen und vertrauliche Informationen preiszugeben.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2024-08-13modified 2026-06-17

references (8)

External citations — patches, advisories, analysis.

scry

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