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CVE record · CVE-2021-26387

Incorrect authorization in AMD EPYC™ 7001 Series Processors and others

CVSS 3.9 LowEPSS 0.0015 · 3rd percentile

Published by the CVE Program (CNA: AMD) at 13 Aug 2024, 16:50 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™ 7001 Series Processors Package name: PI
  • affected various PI
Other versions: affected
AMD AMD EPYC™ 7002 Series Processors
  • affected various
Other versions: affected
AMD AMD EPYC™ 7003 Series Processors
  • affected various
Other versions: affected
AMD AMD EPYC™ 9004 Series Processors
  • affected various
Other versions: affected
AMD AMD Ryzen™ 3000 Series Desktop Processors
  • unaffected ComboAM4PI 1.0.0.9
  • unaffected ComboAM4 V2 PI 1.2.0.8
Other versions: affected
AMD AMD Ryzen™ 5000 Series Desktop Processors
  • unaffected ComboAM4 V2 PI 1.2.0.8
Other versions: affected
AMD AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics
  • unaffected ComboAM4v2 PI 1.2.0.6
Other versions: affected
AMD AMD Ryzen™ 7000 Series Desktop Processors
  • unaffected ComboAM5 1.0.8.0
Other versions: affected
AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics
  • unaffected ComboAM4PI 1.0.0.9
  • unaffected ComboAM4v2 PI 1.2.0.8
Other versions: affected
AMD AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics
  • unaffected ComboAM4v2 PI 1.2.0.5
Other versions: affected
AMD AMD Ryzen™ Threadripper™ 3000 Series Processors
  • unaffected CastlePeakPI-SP3r3 1.0.0.7
Other versions: affected
AMD AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors
  • unaffected ChagallWSPI-sWRX8 1.0.0.2
  • unaffected CastlePeakWSPI-sWRX8 1.0.0.9
Other versions: affected
AMD AMD Ryzen™ Threadripper™ PRO 5000WX Processors
  • unaffected ChagallWSPI-sWRX8 1.0.0.2
Other versions: affected
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
  • unaffected PicassoPI-FP5 1.0.0.E
Other versions: affected
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
  • unaffected PollockPI-FT5 1.0.0.4
Other versions: affected
AMD AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics
  • unaffected PicassoPI-FP5 1.0.0.E
Other versions: affected
AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics
  • unaffected RenoirPI-FP6 1.0.0.8
Other versions: affected
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
  • unaffected CezannePI-FP6 1.0.0.9
Other versions: affected
AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
  • unaffected CezannePI-FP6 1.0.0.9
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™ 5000 Series Processors with Radeon™ Graphics
  • unaffected CezannePI-FP6 1.0.0.9
Other versions: affected
AMD AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics
  • unaffected CezannePI-FP6 1.0.0.9
Other versions: affected
AMD AMD EPYC™ Embedded 3000 Series Processors
  • affected various
Other versions: affected
AMD AMD EPYC™ Embedded 7002 Series Processors
  • affected various
Other versions: affected
AMD AMD EPYC™ Embedded 7003 Series Processors
  • affected various
Other versions: affected
AMD AMD EPYC™ Embedded 9003 Series Processors
  • affected various
Other versions: affected
AMD AMD Ryzen™ Embedded R1000 Series Processors
  • unaffected EmbeddedPI-FP5 1.2.0.A
Other versions: affected
AMD AMD Ryzen™ Embedded R2000 Series Processors
  • unaffected EmbeddedR2KPI-FP5 1.0.0.2
Other versions: affected
AMD AMD Ryzen™ Embedded 5000 Series Processors
  • unaffected EmbAM4PI 1.0.0.2
Other versions: affected
AMD AMD Ryzen™ Embedded V1000 Series Processors
  • unaffected EmbeddedPI-FP5 1.2.0.A
Other versions: affected
AMD AMD Ryzen™ Embedded V2000 Series Processors
  • unaffected EmbeddedPI-FP6 1.0.0.6
Other versions: affected
AMD AMD Ryzen™ Embedded V3000 Series Processors
  • unaffected EmbeddedPI-FP7r2 1.0.0.9
Other versions: affected
Identifiers
CVE-2021-26387
CNA
AMD
Weakness (CWE)
CWE-863
Tags
Published
13 Aug 2024
Updated
30 Oct 2024

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
3.9 Low 3.1 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L CNA (AMD)
  • CISA KEV Not listed.
  • EPSS 0.0015, the 3rd 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 13 Aug 2024. 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.