CVE-2024-21947

HIGH

7.5

CVSS Score

Published: September 6, 2025 at 05:10 PM UTC

Updated: June 17, 2026 at 07:10 AM UTC

Products not identified yet

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Severity

HIGH7.5

Exploit prediction

EPSS 0.1%

SSVC

No known exploit

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.

Affected

We have no canonical product record for this CVE. The source names may not have matched any product.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: [email protected]

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

Source: [email protected]

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHAMD

Attack Vector: LOCAL
Complexity: HIGH
Privileges: HIGH
User Interaction: NONE
Scope: CHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-20CWE-1220

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