CVE-2021-0053

Name: CVE-2021-0053
Creator: NVD / NIST
Published: 2021-11-17T20:15:08.55+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.7/10EPSS 0.33%

Last modified Jun 17, 2026

CVE-2021-0053 is a medium-severity vulnerability rated 5.7/10 on the CVSS scale. 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.. EPSS estimates a 0.33% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.7/10

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

EPSS Probability

0.33%

25.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-665

Affected Software

Vendor	Product	Versions
Intel	Ax210 Firmware	< 22.40
Intel	Ax201 Firmware	< 22.40
Intel	Ax200 Firmware	< 22.40
Intel	Ac 9560 Firmware	< 22.40
Intel	Ac 9462 Firmware	< 22.40
Intel	Ac 9461 Firmware	< 22.40
Intel	Ac 9260 Firmware	< 22.40
Intel	Ac 8265 Firmware	< 22.40
Intel	Ac 8260 Firmware	< 22.40
Intel	Ac 3168 Firmware	< 22.40
Intel	7265 Firmware	< 22.40
Intel	Ac 3165 Firmware	< 22.40
Intel	Ax1675 Firmware	< 2.4.1541
Intel	Ax1650 Firmware	< 2.4.1541
Intel	Ac1550 Firmware	< 2.4.1541

References

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

Timeline

Published: Nov 17, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-0053?

How severe is CVE-2021-0053?

CVE-2021-0053 has a CVSS score of 5.7/10 (MEDIUM severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.

How do I fix CVE-2021-0053?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-0053?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST