CVE-2021-33164

Name: CVE-2021-33164
Creator: NVD / NIST
Published: 2022-11-11T16:15:11.543+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.7/10EPSS 0.19%

Last modified Jun 17, 2026

CVE-2021-33164 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may allow a privileged user to potentially enable escalation of privilege via local access.. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

Description

Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may allow a privileged user to potentially enable escalation of privilege via local access.

Metrics

CVSS 3.1

6.7/10

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

EPSS Probability

0.19%

9.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Intel	Nuc 8 Mainstream-G Kit Nuc8i7inh Firmware	< inwhl357.0046
Intel	Nuc 8 Mainstream-G Mini Pc Nuc8i7inh Firmware	< inwhl357.0046
Intel	Nuc 8 Mainstream-G Kit Nuc8i5inh Firmware	< inwhl357.0046
Intel	Nuc 8 Mainstream-G Mini Pc Nuc8i5inh Firmware	< inwhl357.0046

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00752.htmlPatch, Vendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00752.htmlPatch, Vendor Advisory
https://www.kb.cert.org/vuls/id/434994

Timeline

Published: Nov 11, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-33164?

Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may allow a privileged user to potentially enable escalation of privilege via local access.

How severe is CVE-2021-33164?

CVE-2021-33164 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.

How do I fix CVE-2021-33164?

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-2021-33164?

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

Scan your code now

Source: NVD / NIST