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CVE-2021-39298

CVE.org · Published

Historical CVEsJSONAI instructions

Record status
Published
Identifier year (not publication year)
2021
Source publication
Source updated
Imported by cveboard
Source snapshot
cve_2026-10-24_midnight_baseline ·

Plain text

CNA source text (English)

A potential vulnerability in AMD System Management Mode (SMM) interrupt handler may allow an attacker with high privileges to access the SMM resulting in arbitrary code execution which could be used by malicious actors to bypass security mechanisms provided in the UEFI firmware.

Scoped product and version facts

Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.

Exploitation unknown; this catalogue does not assess exploitation.

2nd Gen EPYC

Vendor
AMD
Product
2nd Gen EPYC
Platforms
  • x86
Default status
unaffected
Package
AGESA
2nd Gen EPYC · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
VariousaffectedUnavailableUnavailableUnavailableNone listed

3rd Gen EPYC

Vendor
AMD
Product
3rd Gen EPYC
Platforms
  • x86
Default status
unaffected
Package
AGESA
3rd Gen EPYC · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
variousaffectedUnavailableUnavailableUnavailableNone listed

Ryzen 2000 Series

Vendor
AMD
Product
Ryzen 2000 Series
Platforms
  • x86
Default status
unaffected
Package
AGESA
Ryzen 2000 Series · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
variousaffectedUnavailableUnavailableUnavailableNone listed

Ryzen 3000 Series

Vendor
AMD
Product
Ryzen 3000 Series
Platforms
  • x86
Default status
unaffected
Package
AGESA
Ryzen 3000 Series · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
VariousaffectedUnavailableUnavailableUnavailableNone listed

Ryzen 5000 Series

Vendor
AMD
Product
Ryzen 5000 Series
Platforms
  • x86
Default status
unaffected
Package
AGESA
Ryzen 5000 Series · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
variousaffectedUnavailableUnavailableUnavailableNone listed