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             AUSCERT External Security Bulletin Redistribution

                     Intel Wireless Bluetooth Advisory
                             11 November 2020


        AusCERT Security Bulletin Summary

Product:           Intel Wireless Bluetooth products
Publisher:         Intel
Operating System:  Windows
                   Linux variants
                   Chrome OS
Impact/Access:     Increased Privileges -- Remote/Unauthenticated
                   Denial of Service    -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-12322 CVE-2020-12321 

Original Bulletin: 

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Intel Wireless Bluetooth Advisory

Intel ID:                 INTEL-SA-00403
Advisory Category:        Firmware, Software
Impact of vulnerability : Escalation of Privilege, Denial of Service
Severity rating :         CRITICAL
Original release:         11/10/2020
Last revised:             11/10/2020


Potential security vulnerabilities in some Intel Wireless Bluetooth products
may allow escalation of privilege or denial of service. Intel is releasing
firmware and software updates to mitigate these potential vulnerabilities.

Vulnerability Details:

CVEID: CVE-2020-12321

Description: Improper buffer restriction in some Intel(R) Wireless Bluetooth(R)
products before version 21.110 may allow an unauthenticated user to potentially
enable escalation of privilege via adjacent access.

CVSS Base Score: 9.6 Critical


CVEID: CVE-2020-12322

Description: Improper input validation in some Intel(R) Wireless Bluetooth(R)
products before version 21.110 may allow an unauthenticated user to potentially
enable denial of service via adjacent access.

CVSS Base Score: 6.5 Medium


Affected Products:

Intel Wireless Bluetooth products:

Intel Wi-Fi 6 AX201
Intel Wi-Fi 6 AX200
Intel Wireless-AC 9560
Intel Wireless-AC 9462
Intel Wireless-AC 9461
Intel Wireless-AC 9260
Intel Dual Band Wireless-AC 8265
Intel Dual Band Wireless-AC 8260
Intel Dual Band Wireless-AC 3168
Intel Wireless 7265 (Rev D)Family
Intel Dual Band Wireless-AC 3165


Intel recommends updating affected Intel Wireless Bluetooth products to version
21.110 or later.

Windows* OS:

For Windows* 10, updates are available for download at this location:


Customers can also download the latest available firmware from the Intel
Customer Support site here.

Linux OS:

Only CVE-2020-12321 impacts Linux. This CVE is addressed in the Intel Wireless
Bluetooth firmware version 21.110 for Linux.

Intel Wireless Bluetooth firmware to mitigate these vulnerabilities have been
up streamed to Linux before November 10th, 2020.

Consult the regular Open Source channels to obtain this update.

Chrome OS:

Only CVE-2020-12321 impacts Chrome OS. This CVE is addressed in the Intel
Wireless Bluetooth firmware version 21.110 for Chromium.

Intel Wireless Bluetooth firmware to mitigate these vulnerabilities have been
up streamed to Chromium.

For any Google Chrome OS solution and schedule, please contact Google directly.


Intel would like to thank Denis Straghkov at the Institute for System
Programming. V.P. Ivannikov RAS for reporting CVE-2020-12321 and the
researchers at Singapore University of Technology and Design for reporting

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      11/10/2020 Initial Release

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