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CVE record · CVE-2023-20576

Insufficient verification of data authenticity in AMD Ryzen™ 3000 Series Desktop Processors and others

CVSS 7.7 HighEPSS 0.0012 · 1st percentile

Published by the CVE Program (CNA: AMD) at 2 Sept 2026, 19:42 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 AMD Ryzen™ 3000 Series Desktop Processors
  • unaffected ComboAM4v2 1.2.0.B
Other versions: affected
AMD AMD Ryzen™ 5000 Series Desktop Processors
  • unaffected ComboAM4v2v 1.2.0.B
Other versions: affected
AMD AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics
  • unaffected ComboAM4v2 1.2.0.B
Other versions: affected
AMD AMD Ryzen™ 7000 Series Processors
  • unaffected ComboAM5 1.0.0.7b
Other versions: affected
AMD AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics
  • unaffected ComboAM4v2 1.2.0.B
Other versions: affected
AMD AMD Ryzen™ Threadripper™ PRO 5000WX Processors
  • unaffected ChagallWSPI-sWRX8 1.0.0.7
Other versions: affected
AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics
  • unaffected MendocinoPI-FT6 1.0.0.6
Other versions: affected
AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics
  • unaffected RembrandtPI-FP7 1.0.0.9b
Other versions: affected
AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics
  • unaffected RembrandtPI-FP7 1.0.0.9b
Other versions: affected
AMD AMD Ryzen™ 7040 Series Processors with Radeon™ Graphics
  • unaffected PhoenixPI-FP8-FP7 1.0.0.2
Other versions: affected
AMD AMD Ryzen™ 7045 Series Mobile Processors
  • unaffected DragonRangeFL1PI 1.0.0.3a
Other versions: affected
AMD AMD Ryzen™ Embedded 5000
  • unaffected EmbAM4PI 1.0.0.4
Other versions: affected
AMD AMD Ryzen™ Embedded V3000
  • unaffected EmbeddedPI-FP7r2 1.0.0.8
Other versions: affected
Identifiers
CVE-2023-20576
CNA
AMD
Weakness (CWE)
CWE-345
Tags
Published
2 Sept 2026
Updated
4 Sept 2026

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

ScoreRatingCVSSVectorSource
7.7 High 3.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CNA (AMD)
  • CISA KEV Not listed.
  • EPSS 0.0012, the 1st 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 2 Sept 2026. 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.