What is CVE-2021-0071?

CVE-2021-0071 is a high-severity vulnerability in Intel 7265, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2021-11-17.

How severe is CVE-2021-0071?

High severity. CVSS v3 base score is 8.8 out of 10.

Improper input validation in Intel 7265

CVE-2021-0071

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2021-11-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (36.6th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00509.html (Vendor Advisory)

Frequently asked questions

What is CVE-2021-0071?: CVE-2021-0071 is a high-severity vulnerability in Intel 7265, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2021-11-17.
How severe is CVE-2021-0071?: High severity. CVSS v3 base score is 8.8 out of 10.