CVE-2020-12337

Name: CVE-2020-12337
Creator: NVD / NIST
Published: 2020-11-12T19:15:14.067+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.7/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2020-12337 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. Improper buffer restrictions in firmware for some Intel(R) NUCs may allow a privileged user to potentially enable escalation of privilege via local access.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

Improper buffer restrictions in firmware for some Intel(R) NUCs 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

0.32%

23.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Intel	Nuc 8 Mainstream-G Kit Nuc8i5inh Firmware	inwhl357.0036
Intel	Nuc 8 Mainstream-G Kit Nuc8i7inh Firmware	inwhl357.0036
Intel	Nuc 8 Mainstream-G Mini Pc Nuc8i5inh Firmware	inwhl357.0036
Intel	Nuc 8 Mainstream-G Mini Pc Nuc8i7inh Firmware	inwhl357.0036
Intel	Nuc 8 Pro Board Nuc8i3pnb Firmware	pnwhl357.0037
Intel	Nuc 8 Pro Kit Nuc8i3pnh Firmware	pnwhl357.0037
Intel	Nuc 8 Pro Kit Nuc8i3pnk Firmware	pnwhl357.0037
Intel	Nuc 8 Pro Mini Pc Nuc8i3pnk Firmware	pnwhl357.0037
Intel	Nuc 8 Rugged Kit Nuc8cchkr Firmware	chaplcel.0049
Intel	Nuc 9 Pro Kit Nuc9v7qnx Firmware	qncflx70.34
Intel	Nuc 9 Pro Kit Nuc9vxqnx Firmware	qncflx70.34
Intel	Nuc Board H27002-400 Firmware	tybyt10h.86a
Intel	Nuc Board H27002-401 Firmware	tybyt10h.86a
Intel	Nuc Board H27002-402 Firmware	tybyt10h.86a
Intel	Nuc Board H27002-404 Firmware	tybyt10h.86a
Intel	Nuc Board H27002-500 Firmware	tybyt20h.86a
Intel	Nuc Board Nuc8cchb Firmware	chaplcel.0049
Intel	Nuc Kit H26998-401 Firmware	tybyt10h.86a
Intel	Nuc Kit H26998-402 Firmware	tybyt10h.86a
Intel	Nuc Kit H26998-403 Firmware	tybyt10h.86a
Intel	Nuc Kit H26998-404 Firmware	tybyt10h.86a
Intel	Nuc Kit H26998-405 Firmware	tybyt10h.86a
Intel	Nuc Kit H26998-500 Firmware	tybyt20h.86a

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00414Vendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00414Vendor Advisory

Timeline

Published: Nov 12, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-12337?

Improper buffer restrictions in firmware for some Intel(R) NUCs may allow a privileged user to potentially enable escalation of privilege via local access.

How severe is CVE-2020-12337?

CVE-2020-12337 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2020-12337?

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-2020-12337?

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

Scan your code now

Source: NVD / NIST