CVE-2023-20594

mediumpriority · track · 18EPSS 0.002 · 8 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.19% (8th) EPSS

CVSS 4.4 · medium

Is it mine?

235 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-27

Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local access.

cvss

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

4.4

010

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

v3.14.4mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 0.8 · impact 3.6

v3.14.1mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/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-665USprimaryCWE-824US

affected products (235)

Products and version ranges known to be affected.

AMD Prozessorall versionscert_bundDEcpe:/h:amd:amd_processor:-
Dell Computerall versionscert_bundDEcpe:/o:dell:dell_computer:-
Dell PowerEdgeall versionscert_bundDEcpe:/h:dell:poweredge:-
HP Computerall versionscert_bundDEcpe:/h:hp:computer:-
Lenovo BIOSall versionscert_bundDEcpe:/h:lenovo:bios:-
AMD 3rd Gen AMD EPYC™ Processorsall versionsenisa_euvdEU
AMD AMD Ryzen™ Embedded 7000< EmbeddedAM5PI 1.0.0.1enisa_euvdEU
AMD AMD Ryzen™ Embedded V3000< Embedded-PI_FP7r2 1.0.0.Benisa_euvdEU
AMD Ryzen™ 3000 Series Desktop Processors “Matisse”all versionsenisa_euvdEU
AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics “Renoir” AM4all versionsenisa_euvdEU
AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics “Renoir” FP6all versionsenisa_euvdEU
AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics “Cezanne”all versionsenisa_euvdEU
AMD Ryzen™ 5000 Series Desktop Processors “Vermeer”all versionsenisa_euvdEU
AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics "Barcelo"all versionsenisa_euvdEU
AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne”all versionsenisa_euvdEU
AMD Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne”all versionsenisa_euvdEU
AMD Ryzen™ 6000 Series Mobile Processors with Radeon™ Graphics "Rembrandt"all versionsenisa_euvdEU
AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics “Barcelo-R”all versionsenisa_euvdEU
AMD Ryzen™ 7035 Series Mobile Processors with Radeon™ Graphics "Rembrandt-R"all versionsenisa_euvdEU
AMD Ryzen™ Threadripper™ 3000 Series Processors “Castle Peak” HEDTall versionsenisa_euvdEU

showing 20 of 235

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2420AMD Prozessoren: Mehrere Schwachstellen ermöglichen Offenlegung von InformationenDeutsch2023-09-20csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in AMD Prozessoren ausnutzen, um Informationen offenzulegen.
WID-SEC-W-2023-2865Lenovo BIOS: Mehrere SchwachstellenDeutsch2023-11-08csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen im Lenovo BIOS ausnutzen, um beliebigen Programmcode mit Administratorrechten auszuführen, beliebigen Programmcode auszuführen, Dateien zu manipulieren oder Informationen offenzulegen.

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 2023-09-20modified 2026-06-17

related (659)

Related entries.

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+654 more

references (4)

External citations — patches, advisories, analysis.

scry

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