CVE-2023-20564

mediumpriority · track · 37EPSS 0.003 · 23 %ileexploit · PoCDEEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.30% (23rd) EPSS

CVSS 6.7 · medium

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

Insufficient validation in the IOCTL (Input Output Control) input buffer in AMD Ryzen™ Master may permit a privileged attacker to perform memory reads/writes potentially leading to a loss of confidentiality or arbitrary kernel execution.

cvss

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

6.7

010

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

v3.16.7mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 0.8 · impact 5.9

v3.16.3mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · 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-20USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

NtGabrielGomes/CVE-2023-20564PoC for AMD Ryzen driver. PoC · poc_in_github

affected products (4)

Products and version ranges known to be affected.

HP Computerall versionscert_bundDEcpe:/h:hp:computer:-
AMD Ryzen™ Master≤ <2.11.2.2659enisa_euvdEU
amd ryzen master< 2.11.2.2659nvdUScpe:2.3:a:amd:ryzen_master:*:*:*:*:*:*:*:*
amd ryzen master monitoring sdk< august_2023nvdUScpe:2.3:a:amd:ryzen_master_monitoring_sdk:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2974HP Computer: Mehrere Schwachstellen ermöglichen Denial of Service, Offenlegung von Informationen oder Code-AusführungDeutsch2023-11-20csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle in HP Computer ausnutzen, um einen Denial-of-Service-Zustand zu erzeugen, vertrauliche Informationen offenzulegen oder beliebigen Code auszuführen.

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 NVD CVE.org MITRE

published 2023-08-15modified 2026-06-17

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+25188 more

references (6)

External citations — patches, advisories, analysis.

scry

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