CVE-2023-20563

highpriority · track · 31EPSS 0.002 · 10 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.20% (10th) EPSS

CVSS 7.8 · high

Is it mine?

95 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-27

Insufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via local access.

cvss

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

7.8

010

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

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 1.8 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/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-269USprimary

affected products (95)

Products and version ranges known to be affected.

AMD Prozessorall versionscert_bundDEcpe:/h:amd:amd_processor:-
Dell BIOSall versionscert_bundDEcpe:/h:dell:bios:-
Dell Computerall versionscert_bundDEcpe:/o:dell:dell_computer:-
HP Computerall versionscert_bundDEcpe:/h:hp:computer:-
HPE ProLiantall versionscert_bundDEcpe:/h:hp:proliant:-
IBM Power Hardware Management Console V10all versionscert_bundDEcpe:/a:ibm:hardware_management_console:v10
Lenovo BIOSall versionscert_bundDEcpe:/h:lenovo:bios:-
Lenovo Computerall versionscert_bundDEcpe:/h:lenovo:computer:-
Open Source CentOSall versionscert_bundDEcpe:/o:centos:centos:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
AMD AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics “Barcelo”all versionsenisa_euvdEU
AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics "Rembrandt"all versionsenisa_euvdEU
AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics “Barcelo-R”all versionsenisa_euvdEU
AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics “Rembrandt-R”all versionsenisa_euvdEU
AMD AMD Ryzen™ Embedded 5000all versionsenisa_euvdEU
AMD AMD Ryzen™ Embedded R1000all versionsenisa_euvdEU
AMD AMD Ryzen™ Embedded R2000all versionsenisa_euvdEU
AMD AMD Ryzen™ Embedded V3000all versionsenisa_euvdEU

showing 20 of 95

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2916AMD Prozessor: Mehrere SchwachstellenDeutsch2023-11-14csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in AMD Prozessor ausnutzen, um beliebigen Code auszuführen, einen Denial-of-Service-Zustand zu verursachen, Dateien zu manipulieren, vertrauliche Informationen offenzulegen oder seine Privilegien zu erweitern.

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 2023-11-14modified 2026-06-17

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+6653 more

references (7)

External citations — patches, advisories, analysis.

scry

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