Connect your agent
AdvisoriesCriticalCheck your lockfilePluginHow it worksPricing Connect your agent

CVE record · CVE-2023-20585

Insufficient checks of the RMP on host buffer access in IOMMU may allow an attacker with privileges and a compromised hypervisor to trigger an out of bounds condition without RMP checks, resulting in…

CVSS 5.6 MediumEPSS 0.0010 · 1st percentile

Published by the CVE Program (CNA: AMD) at 16 Apr 2026, 18:42 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 EPYC™ 7003 Series Processors
  • unaffected SEV FW 1.37.23
Other versions: affected
AMD AMD EPYC™ 9004 Series Processors
  • unaffected SEV FW 1.37.31
Other versions: affected
AMD AMD EPYC™ Embedded 7003 Series Processors
  • unaffected EmbMilanPI-SP3 1.0.0.B
Other versions: affected
AMD AMD EPYC™ Embedded 9004 Series Processors
  • unaffected EmbGenoaPI-1.0.0.A
Other versions: affected
Identifiers
CVE-2023-20585
CNA
AMD
Weakness (CWE)
CWE-788
Tags
Published
16 Apr 2026
Updated
16 Apr 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
5.6 Medium 4.0 CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N CNA (AMD)
  • CISA KEV Not listed.
  • EPSS 0.0010, 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 16 Apr 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.