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Vulnerability record · CVE-2023-20591 · published 13 August 2024

CVE-2023-20591: Amd epyc 8024pn firmware vulnerability

AAmd · Epyc 8024pn Firmware

Improper re-initialization of IOMMU during the DRTM event may permit an untrusted platform configuration to persist, allowing an attacker to read or modify hypervisor memory, potentially resulting in loss of confidentiality, integrity, and availability.

10.0 CVSS 3.1 Critical EPSS 0.30% · top 79.4% CWE-665 · CWE-665
10.0CVSS 3.1 base score
0.30%EPSS exploitation probability, 30 days
NoNot in CISA KEV
65Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

Improper re-initialization of IOMMU during the DRTM event may permit an untrusted platform configuration to persist, allowing an attacker to read or modify hypervisor memory, potentially resulting in loss of confidentiality, integrity, and availability.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

65 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-20591), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.