VULNERABILITY INTELLIGENCE

CVE-2021-46791

CVSS score5.5 MEDIUM
EPSS probability0.19%
CISA KEVNot currently listed
Published2023-01-11
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

Insufficient input validation during parsing of the System Management Mode (SMM) binary may allow a maliciously crafted SMM executable binary to corrupt Dynamic Root of Trust for Measurement (DRTM) user application memory that may result in a potential denial of service.

Weakness classification

  • nvd@nist.gov: CWE-787
  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-787

Primary references