Name: CVE-2023-34440: Improper Input Validation
Creator: Rapid7
Published: 2025-02-12T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2023-34440, CVSS 7.5, EPSS 0.00254

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.

CVSS Details

CVSS 4.0 Base Score: 8.7 (HIGH)
CVSS 4.0 Vector: (CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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)
CVSS 3.1 Base Score: 7.5
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade intel-microcode	Mar 17, 2025	Feb 12, 2025
Redhat_linux	—	—	Jul 9, 2025	Feb 12, 2025

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CVSS Details

Covered by Rapid7

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