CVE-2024-21820

HIGH EPSS 11.1%

Published Nov 13, 20241y ago · Modified Jun 17, 20261w ago

8.5 CVSS 4.0

High

Published Nov 13, 2024 1y ago

Last Modified Jun 17, 2026 1w ago

Description

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.

CVSS Details

Base Score

8.5

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Local

Attack Complexity High

Privileges Required High

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

11.1% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-276

References 2

lists.debian.org https://lists.debian.org/debian-lts-announce/2024/12/msg00024.html
intel.com https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01079.html

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.