What is CVE-2021-0053?

CVE-2021-0053 is a medium-severity vulnerability in Intel 7265, classified under Improper Initialization. CVSS score: 5.7/10. Published 2021-11-17.

How severe is CVE-2021-0053?

Medium severity. CVSS v3 base score is 5.7 out of 10.

Vulnerability in Intel 7265

CVE-2021-0053

Improper initialization in firmware for some Intel(R) PROSet/Wireless WiFi and Killer(TM) WiFi in Windows 10 may allow an authenticated user to potentially enable information disclosure via adjacent access.

Vulnerability class: Dirty Pipe (CVE-2022-0847)

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

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (27.9th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-665 — Improper Initialization

References

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

Frequently asked questions

What is CVE-2021-0053?: CVE-2021-0053 is a medium-severity vulnerability in Intel 7265, classified under Improper Initialization. CVSS score: 5.7/10. Published 2021-11-17.
How severe is CVE-2021-0053?: Medium severity. CVSS v3 base score is 5.7 out of 10.