CVE-2020-12321

Summary

CVE	CVE-2020-12321
State	PUBLISHED
Assigner	intel
Source Priority	CVE Program / NVD first with legacy fallback
Published	2020-11-12 18:15:14 UTC
Updated	2026-10-08 22:16:56 UTC
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.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from [email protected]

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

EPSS: 0.009820000 probability, percentile 0.619490000 (date 2026-10-23)

Problem Types: NVD-CWE-noinfo | escalation of privilege

Version	Source	Type	Score	Severity	Vector
3.1	[email protected]	Primary	8.8	HIGH	`CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`
2.0	[email protected]	Primary	5.8		`AV:A/AC:L/Au:N/C:P/I:P/A:P`

CVSS v3.1 Breakdown

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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

CVSS v2.0 Breakdown

Access Vector

Adjacent

Access Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

AV:A/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Hardware	Intel	Dual Band Wireless-ac 3165	-	All	All	All
Operating System	Intel	Dual Band Wireless-ac 3165 Firmware	All	All	All	All
Hardware	Intel	Dual Band Wireless-ac 3168	-	All	All	All
Operating System	Intel	Dual Band Wireless-ac 3168 Firmware	All	All	All	All
Hardware	Intel	Dual Band Wireless-ac 8260	-	All	All	All
Operating System	Intel	Dual Band Wireless-ac 8260 Firmware	All	All	All	All
Hardware	Intel	Dual Band Wireless-ac 8265	-	All	All	All
Operating System	Intel	Dual Band Wireless-ac 8265 Firmware	All	All	All	All
Hardware	Intel	Wi-fi 6 Ax200	-	All	All	All
Operating System	Intel	Wi-fi 6 Ax200 Firmware	All	All	All	All
Hardware	Intel	Wi-fi 6 Ax201	-	All	All	All
Operating System	Intel	Wi-fi 6 Ax201 Firmware	All	All	All	All
Hardware	Intel	Wireless-ac 9260	-	All	All	All
Operating System	Intel	Wireless-ac 9260 Firmware	All	All	All	All
Hardware	Intel	Wireless-ac 9461	-	All	All	All
Operating System	Intel	Wireless-ac 9461 Firmware	All	All	All	All
Hardware	Intel	Wireless-ac 9462	-	All	All	All
Operating System	Intel	Wireless-ac 9462 Firmware	All	All	All	All
Hardware	Intel	Wireless-ac 9560	-	All	All	All
Operating System	Intel	Wireless-ac 9560 Firmware	All	All	All	All
Hardware	Intel	Wireless 7265 Rev D	-	All	All	All
Operating System	Intel	Wireless 7265 Rev D Firmware	All	All	All	All

Vendor Declared Affected Products

Source	Vendor	Product	Version	Platforms
CNA	Na	IntelR Wireless BluetoothR	affected before version 21.110	Not specified

References

Reference	Source	Link	Tags
INTEL-SA-00403	af854a3a-2127-422b-91ae-364da2661108	www.intel.com	Patch, Vendor Advisory
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

No vendor comments have been submitted for this CVE.

Legacy QID Mappings

374285 Intel Wireless Bluetooth Driver Privilege Escalation Vulnerability
376883 Alibaba Cloud Linux Security Update for linux-firmware (ALINUX2-SA-2021:0006)
672451 EulerOS Security Update for linux-firmware (EulerOS-SA-2022-2826)
672465 EulerOS Security Update for linux-firmware (EulerOS-SA-2022-2851)
730121 McAfee Web Gateway Multiple Vulnerabilities (WP-3484,WP-3744,WP-3745,WP-3746,WP-3747,WP-3793,WP-3800)
750589 OpenSUSE Security Update for kernel-firmware (openSUSE-SU-2020:1962-1)
750591 OpenSUSE Security Update for kernel-firmware (openSUSE-SU-2020:1960-1)
940357 AlmaLinux Security Update for linux-firmware (ALSA-2020:5479)