CVE-2021-33089

Name: CVE-2021-33089
Creator: NVD / NIST
Published: 2021-11-17T19:15:08.547+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2021-33089 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Improper access control in the software installer for the Intel(R) NUC HDMI Firmware Update Tool for NUC8i3BE, NUC8i5BE, NUC8i7BE before version 1.78.4.0.4 may allow an authenticated user to potentially enable escalation of privilege via local access.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

Improper access control in the software installer for the Intel(R) NUC HDMI Firmware Update Tool for NUC8i3BE, NUC8i5BE, NUC8i7BE before version 1.78.4.0.4 may allow an authenticated user to potentially enable escalation of privilege via local access.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.24%

14.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Intel	Nuc Hdmi Firmware Update Tool	< 1.78.4.0.4

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00568.htmlVendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00568.htmlVendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2021-33089?

How severe is CVE-2021-33089?

CVE-2021-33089 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2021-33089?

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-2021-33089?

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

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Source: NVD / NIST