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CVE record · CVE-2023-20594

Uninitialized pointer access in AMD Ryzen™ 3000 Series Desktop Processors “Matisse” and others

No CVSS scoreEPSS 0.0019 · 8th percentile

Published by the CVE Program (CNA: AMD) at 20 Sept 2023, 17:27 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
AMD Ryzen™ 3000 Series Desktop Processors “Matisse” Package name: AGESA
  • affected various
Other versions: affected
AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” Package name: AGESA
  • affected various
Other versions: affected
AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics “Cezanne” Package name: AGESA
  • affected various
Other versions: affected
AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics “Renoir” AM4 Package name: AGESA
  • affected various
Other versions: affected
AMD Ryzen™ Threadripper™ 3000 Series Processors “Castle Peak” HEDT Package name: AGESA
  • affected various
Other versions: affected
AMD Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS SP3 Package name: AGESA
  • affected various
Other versions: affected
AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors “Chagall” WS SP3 Package name: AGESA
  • affected various
Other versions: affected
AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics “Renoir” FP6 Package name: AGESA
  • affected various
Other versions: affected
AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne” Package name: AGESA
  • affected various
Other versions: affected
AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Cezanne” Package name: AGESA
  • affected various
Other versions: affected
AMD Ryzen™ 6000 Series Mobile Processors with Radeon™ Graphics "Rembrandt" Package name: AGESA
  • affected various
Other versions: affected
AMD Ryzen™ 7035 Series Mobile Processors with Radeon™ Graphics "Rembrandt-R" Package name: AGESA
  • affected various
Other versions: affected
AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics "Barcelo" Package name: AGESA
  • affected various
Other versions: affected
AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics “Barcelo-R” Package name: AGESA
  • affected various
Other versions: affected
AMD 3rd Gen AMD EPYC™ Processors Package name: AGESA
  • affected various
Other versions: affected
AMD AMD Ryzen™ Embedded 7000
  • unaffected EmbeddedAM5PI 1.0.0.1
Other versions: affected
AMD AMD Ryzen™ Embedded V3000
  • unaffected Embedded-PI_FP7r2 1.0.0.B
Other versions: affected
Identifiers
CVE-2023-20594
CNA
AMD
Weakness (CWE)
CWE-824
Tags
Published
20 Sept 2023
Updated
27 Jun 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

No source has published a CVSS score for this record yet.

  • CISA KEV Not listed.
  • EPSS 0.0019, the 8th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 20 Sept 2023. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.