CVE-2024-21820

Published Nov 13, 2024 CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
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.

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4002-1 intel-microcode security update
EUVD EUVD EUVD-2024-19432 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.
Ubuntu USN Ubuntu USN USN-7149-1 Intel Microcode vulnerabilities
History
Type Values Removed Values Added
First Time appeared Intel
Intel 3rd Generation Intel Xeon Scalable Processor Family
Intel 4th Generation Intel Xeon Processor Scalable Family
Intel 5th Generation Intel Xeon Processor Scalable Family
Intel xeon D Processor
CPEs cpe:2.3:h:intel:3rd_generation_intel_xeon_scalable_processor_family:606a6:*:*:*:*:*:*:*
cpe:2.3:h:intel:4th_generation_intel_xeon_processor_scalable_family:806f7:*:*:*:*:*:*:*
cpe:2.3:h:intel:4th_generation_intel_xeon_processor_scalable_family:806f8:*:*:*:*:*:*:*
cpe:2.3:h:intel:5th_generation_intel_xeon_processor_scalable_family:c06f2:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_d_processor:606c1:*:*:*:*:*:*:*
Vendors & Products Intel
Intel 3rd Generation Intel Xeon Scalable Processor Family
Intel 4th Generation Intel Xeon Processor Scalable Family
Intel 5th Generation Intel Xeon Processor Scalable Family
Intel xeon D Processor
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Weaknesses CWE-276
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N'}

cvssV4_0

{'score': 8.5, 'vector': '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'}

Weaknesses
  • CWE-276

    Incorrect Default Permissions

Sources

Status
PUBLISHED
Assigner
intel
Published
Updated
Nov 3, 2025, 9:53 PM
Reserved
Jan 24, 2024, 4:00 AM
Status
Deferred
Published
Nov 13, 2024, 9:15 PM
Modified
Jun 17, 2026, 7:10 AM