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CVE-2024-21947

Published: Sep 6, 2025Updated: Sep 23, 2025 Sources: CVE List NVDCWE-1220
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.1%
Top 97.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

Improper input validation in the system management mode (SMM) could allow a privileged attacker to overwrite arbitrary memory potentially resulting in arbitrary code execution at the SMM level.

CVSS Vector Breakdown

AV:LAC:HPR:HUI:NS:CC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-1220

Affected Products

AMD Ryzen™ Threadripper™ 3000 ProcessorsAMDHardware Firmware
AMD Ryzen™ Threadripper™ PRO 5000 WX-Series ProcessorsAMDHardware Firmware
AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ GraphicsAMDHardware Firmware
AMD Ryzen™ Threadripper™ PRO 3000 WX-Series ProcessorsAMDHardware Firmware
AMD Ryzen™ 3000 Series Desktop ProcessorsAMDHardware Firmware
amdcommercialUSHardware Firmwareaka advanced micro devices
and 21 more affected products View all →

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html
amd.com
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html
amd.com

Timeline

Published
Sep 6, 2025
Last Updated
Sep 23, 2025

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