CVE-2024-21871 HIGH

CVE-2024-21871

Vendor N/A
Product UEFI firmware for some Intel(R) Processors
Weakness CWE-20 · Input validation
Published September 16, 2024
Last update November 3, 2025
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Local
Attack complexity High
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

Improper input validation in UEFI firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.

Key dates

02Disclosure timeline

September 16, 2024 CVE published
November 3, 2025 Record updated