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CVE-2024-21871

HIGH
7.5
CVSS Score
Published: September 16, 2024 at 04:38 PM UTC
Updated: June 17, 2026 at 07:10 AM UTC
134 products affected across 1 vendorXeon E 2124 FirmwareXeon E 2134 FirmwareXeon E 2136 Firmware

Using UEFI firmware for some Intel(R) Processors by N/A?

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Severity
HIGH7.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: [email protected]
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01071.html
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.netapp.com/advisory/ntap-20241011-0009/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHintel
Attack Vector
LOCAL
Complexity
HIGH
Privileges
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-20

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