CVE detail

CVE-2023-20521 — CVE-2023-20521

Published 2023-11-14 · Modified 2026-06-17 · Vendor amd · Product epyc_7001_firmware · Source nvd

LOW

severity

CVSS-derived band

3.3

CVSS v3

0–10 scale

0.0026

EPSS probability

exploitation probability, 30d

17.0%

EPSS percentile

percentile vs all CVEs

NOT LISTED

CISA KEV

known exploited catalog

Description

TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory content verification, potentially leading to loss of confidentiality or a denial of service.

Remediation

No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.