CVE-2023-20589

fTPM Voltage Fault Injection

6.8 Medium

An attacker with specialized hardware and physical access to an impacted device may be able to perform a voltage fault injection attack resulting in compromise of the ASP secure boot potentially leading to arbitrary code execution.

Attack profile

How easy it is to exploit

Attack vector: Physical
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.58%Up 0.5 points since Aug 9, 2023

What each source reports

NVD Score used 6.8

Record: CVE-2023-20589
CVSS 3.1: 6.8 MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

CVE List No score

fTPM Voltage Fault Injection

Record: CVE-2023-20589
Updated: 2026-11-02

EUVDEUVD-2023-24768 0.0

Record: EUVD-2023-24768
CVSS: 0.0 NoneCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-p4r5-8jr9-cwgv 6.8

An attacker with specialized hardware and physical access to an impacted device may be able to...

Record: GHSA-p4r5-8jr9-cwgv
CVSS 3.1: 6.8 MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

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History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-20589 is a medium vulnerability (CVSS 6.8) in Ryzen™ Pro 5000 Series Desktop Processors, published August 8, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.58%, the 48th percentile. No source names a fixed version.