CVE-2024-21820 HIGH

CVE-2024-21820

Vendor N/A
Product Intel(R) Xeon(R) processor memory controller configurations when using Intel(R) SGX
Weakness CWE-276
Published November 13, 2024
Last update November 3, 2025

CVSS base score

7.2/10
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:N

What the vulnerability does

01Description

Incorrect default permissions in some Intel(R) Xeon(R) processor memory controller configurations when using Intel(R) SGX may allow a privileged user to potentially enable escalation of privilege via local access.

Key dates

02Disclosure timeline

November 13, 2024 CVE published
November 3, 2025 Record updated