VULNERABILITY INTELLIGENCE
CVE-2021-39298
CVSS score8.8 HIGH
EPSS probability0.37%
CISA KEVNot currently listed
Published2022-02-16
Last modified2026-10-07
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Description
A potential vulnerability in AMD System Management Mode (SMM) interrupt handler may allow an attacker with high privileges to access the SMM resulting in arbitrary code execution which could be used by malicious actors to bypass security mechanisms provided in the UEFI firmware.
Weakness classification
- nvd@nist.gov: NVD-CWE-noinfo
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-269