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Intel® NUC Firmware Advisory

Intel ID: INTEL-SA-00392
Advisory Category: Firmware
Impact of vulnerability: Escalation of Privilege
Severity rating: HIGH
Original release: 08/11/2020
Last revised: 08/11/2020

Summary: 

A potential security vulnerability for some Intel® NUCs may allow escalation of privilege. Intel is releasing firmware updates to mitigate this potential vulnerability.

Vulnerability Details:

CVEID:  CVE-2020-8742

Description: Improper input validation in the firmware for Intel(R) NUCs may allow a privileged user to potentially enable escalation of privilege via local access.

CVSS Base Score: 7.5 High

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

Affected Products:

Product

BIOS Download link

Intel® NUC 8 Enthusiast, a Mini PC with Windows* 10 - NUC8i7BEHGA, NUC8i7BEKQA

BECFL357.86A

Intel® NUC 8 Home - a Mini PC with Windows 10 - NUC8i3BEHFA, NUC8i5BEHFA, NUC8i5BEKPA

BECFL357.86A

Intel® NUC Kit - NUC8i3BEH, NUC8i3BEHS, NUC8i3BEK, NUC8i5BEH, NUC8i5BEHS, NUC8i5BEK, NUC8i7BEH, NUC8i7BEK

BECFL357.86A

Intel® Compute Card - CD1C32GK, CD1C64GK, CD1P64GK

GKAPLCPX.86A

Intel® NUC 8 Business, a Mini PC with Windows 10 - NUC8i7HNKQC

HNKBLi70.86A

Intel® NUC 8 Enthusiast, a Mini PC with Windows 10 - NUC8i7HVKVA, NUC8i7HVKVAW

HNKBLi70.86A

Intel® NUC Kit - NUC8i7HNK, NUC8i7HVK

HNKBLi70.86A

Intel® NUC Board - NUC7i7DNBE

DNKBLi7v.86A

Intel® NUC Kit - NUC7i7DNHE, NUC7i7DNKE

DNKBLi7v.86A

Intel® NUC 7 Business, a Mini PC with Windows® 10 Pro - NUC7i5DNKPC

DNKBLi5v.86A

Intel® NUC Board - NUC7i5DNBE

DNKBLi5v.86A

Intel® NUC Kit - NUC7i5DNHE, NUC7i5DNKE

DNKBLi5v.86A

Intel® NUC 7 Business, a Mini PC with Windows® 10 Pro - NUC7i3DNHNC, NUC7i3DNKTC

DNKBLi30.86A

Intel® NUC Board - NUC7i3DNBE

DNKBLi30.86A

Intel® NUC Kit - NUC7i3DNHE, NUC7i3DNKE

DNKBLi30.86A

Intel® Compute Stick - STK2mv64CC

CCSKLm5v.86A

Intel® NUC Kit - NUC6i7KYK

KYSKLi70.86A

Intel® NUC 7 Essential, a Mini PC with Windows® 10 - NUC7CJYSAL

JYGLKCPX.86A

Intel® NUC Kit - NUC7CJYH, NUC7PJYH

JYGLKCPX.86A

Intel® NUC 7 Enthusiast, a Mini PC with Windows® 10 - NUC7i7BNHXG, NUC7i7BNKQ

BNKBL357.86A

Intel® NUC 7 Home, a Mini PC with Windows® 10 - NUC7i3BNHXF, NUC7i5BNHXF, NUC7i5BNKP

BNKBL357.86A

Intel® NUC Board - NUC7i3BNB, NUC7i5BNB, NUC7i7BNB

BNKBL357.86A

Intel® NUC Kit - NUC7i3BNH, NUC7i3BNHX1, NUC7i3BNK, NUC7i5BNH, NUC7i5BNHX1, NUC7i5BNK, NUC7i7BNH, NUC7i7BNHX1

BNKBL357.86A

Intel® NUC Kit - NUC6CAYH, NUC6CAYS

AYAPLCEL.86A

Intel® NUC Board - DE3815TYBE

TYBYT20H.86A

Intel® NUC Kit - DE3815TYKHE

TYBYT20H.86A

Intel® NUC Board - DE3815TYBE, labeled AA numbers: H26998-401, 402, 403, 404 or 405

TYBYT10H.86A

Intel® NUC Kit - DE3815TYKHE, labeled SA numbers: H27002-400, 401, 402, 403 or 404 

TYBYT10H.86A

Intel® NUC Kit - NUC5CPYH, NUC5PGYH, NUC5PPYH

PYBSWCEL.86A

Intel® NUC Kit - NUC5i3RYH, NUC5i3RYHS, NUC5i3RYHSN, NUC5i3RYK, NUC5i5RYH, NUC5i5RYHS, NUC5i5RYK, NUC5i7RYH

RYBDWi35.86A

Intel® NUC Board - NUC5i5MYBE

MYBDWi5v.86A

Intel® NUC Kit - NUC5i5MYHE

MYBDWi5v.86A

Intel® NUC Board - NUC5i3MYBE

MYBDWi30.86A

Intel® NUC Kit - NUC5i3MYHE

MYBDWi30.86A

Recommendations:

Intel recommends updating the Intel® NUCs listed to the latest BIOS version (see provided table).

Acknowledgements:

Intel would like to thank Alexander Ermolov for reporting this issue.

Intel, and nearly the entire technology industry, follows a disclosure practice called Coordinated Disclosure, under which a cybersecurity vulnerability is generally publicly disclosed only after mitigations are available.

Revision History

Revision Date Description
1.0 08/11/2020 Initial Release

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Copyright © Intel Corporation 2020

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