CVE-2024-21947 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

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References

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

History

Sat, 06 Sep 2025 17:30:00 +0000

Type	Values Removed	Values Added
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.
Weaknesses		CWE-20
References		https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H'}`

MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2025-09-06T17:10:47.951Z

Updated: 2025-09-06T17:10:47.951Z

Reserved: 2024-01-03T16:43:21.322Z

Link: CVE-2024-21947

Vulnrichment

No data.

NVD

Status : Received

Published: 2025-09-06T18:15:39.063

Modified: 2025-09-06T18:15:39.063

Link: CVE-2024-21947

Redhat

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OpenCVE Enrichment

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