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TI-2020-10251 Aliases CVE-2020-12890GHSA-3h77-rgfr-6455

Improper handling of pointers in the System Management Mode (SMM) handling code may allow…

Priority LOW 29Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Improper handling of pointers in the System Management Mode (SMM) handling code may allow for a privileged attacker with physical or administrative access to potentially manipulate the AMD Generic Encapsulated Software Architecture (AGESA) to execute arbitrary code undetected by the operating system.

Why it matters now

EPSS 0.0029 21st percentileScored 2026-11-07
Fix Fixed AMD Processors (AMD): Processor EPYC

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
AMDAMD Processors—Processor EPYCPatch availableCNA
  • AMD Processors VendorAMD Affected — Fixed in Processor EPYC Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:amd:amd_generic_encapsulated_software_architecture:-:*:*:*:*:*:*:*not specified by NVDVulnerableAMD
  • cpe:2.3:o:amd:amd_generic_encapsulated_software_architecture:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·AMD

Remediation

  • Fix · CNA AMD Processors (AMD) Fixed in Processor EPYC

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-12890
  2. 2026-10-03 Alias added: GHSA-3h77-rgfr-6455

References

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences