CVE-2021-0071

HIGH

Intel WiFi Firmware < 22.40 - Unauthenticated Privilege Escalation via UEFI Input Validation

Title source: llm

Description

Improper input validation in firmware for some Intel(R) PROSet/Wireless WiFi in UEFI may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access.

References (1)

Core 1

Core References

Vendor Advisory x_refsource_misc

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00509.html

Scores

CVSS v3 8.8

EPSS 0.0022

EPSS Percentile 44.5%

Attack Vector ADJACENT_NETWORK

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-20

Status published

Products (13)

intel/7265_firmware < 22.40

intel/9260_firmware

intel/ac_3165_firmware < 22.40

intel/ac_3168_firmware < 22.40

intel/ac_8260_firmware < 22.40

intel/ac_8265_firmware < 22.40

intel/ac_9260_firmware < 22.40

intel/ac_9461_firmware < 22.40

intel/ac_9462_firmware < 22.40

intel/ac_9560_firmware < 22.40

... and 3 more

Published Nov 17, 2021

Tracked Since Feb 18, 2026