VULNERABILITY INTELLIGENCE

CVE-2023-20558

CVSS score8.8 HIGH
EPSS probability0.67%
CISA KEVNot currently listed
Published2023-04-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

Insufficient control flow management in AmdCpmOemSmm may allow a privileged attacker to tamper with the SMM handler potentially leading to an escalation of privileges.

Weakness classification

  • nvd@nist.gov: NVD-CWE-Other
  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-670

Primary references