What is CVE-2023-20589?

CVE-2023-20589 is a medium-severity vulnerability in AMD 4700s. CVSS score: 6.8/10. Published 2023-08-08.

How severe is CVE-2023-20589?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in AMD 4700s

CVE-2023-20589

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.

Published 2023-08-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (46.9th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

References

www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4005 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-20589?: CVE-2023-20589 is a medium-severity vulnerability in AMD 4700s. CVSS score: 6.8/10. Published 2023-08-08.
How severe is CVE-2023-20589?: Medium severity. CVSS v3 base score is 6.8 out of 10.