CVE-2020-12321

Name: CVE-2020-12321
Creator: NVD / NIST
Published: 2020-11-12T18:15:14.533+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.97%

Last modified Jun 17, 2026

CVE-2020-12321 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.97% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.97%

57.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Intel	Dual Band Wireless-Ac 3168 Firmware	< 21.110
Intel	Dual Band Wireless-Ac 8260 Firmware	< 21.110
Intel	Dual Band Wireless-Ac 8265 Firmware	< 21.110
Intel	Wi-Fi 6 Ax200 Firmware	< 21.110
Intel	Wi-Fi 6 Ax201 Firmware	< 21.110
Intel	Wireless-Ac 9260 Firmware	< 21.110
Intel	Wireless-Ac 9461 Firmware	< 21.110
Intel	Wireless-Ac 9462 Firmware	< 21.110
Intel	Wireless-Ac 9560 Firmware	< 21.110
Intel	Wireless 7265 \(Rev D\) Firmware	< 21.110
Intel	Dual Band Wireless-Ac 3165 Firmware	< 21.110

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00403Patch, Vendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00403Patch, Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2020-12321?

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.

How severe is CVE-2020-12321?

CVE-2020-12321 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.

How do I fix CVE-2020-12321?

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-2020-12321?

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

Scan your code now

Source: NVD / NIST