CVE-2024-21947

HIGH EPSS 2.8%
Published Sep 6, 20259mo ago · Modified Jun 17, 20261w ago
7.5 CVSS 3.1
High
Find Similar
Published Sep 6, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

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 Details

Base Score
7.5
Exploitability
0.8
Impact
6.0
Vector string
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack Vector Local
Attack Complexity High
Privileges Required High
User Interaction None
Scope Changed
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
2.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-1220

References 2

  • amd.com 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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.