CVE-2020-12321

hardware: buffer overflow in bluetooth firmware

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Una restricción de búfer inapropiada en algunos productos Intel® Wireless Bluetooth® anterior a versión 21.110, puede habilitar a un usuario no autenticado para permitir potencialmente una escalada de privilegios por medio de un acceso adyacente

A flaw was found in the firmware of some Intel Bluetooth devices. This may allow an unauthenticated attacker within Bluetooth range to overflow a buffer and corrupt memory leading to a crash or privilege escalation.

*Credits: N/A

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Adjacent

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-04-28 CVE Reserved
2020-11-12 CVE Published
2023-07-29 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00403	2021-07-21

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2020-12321	2022-11-09
https://bugzilla.redhat.com/show_bug.cgi?id=1893914	2022-11-09

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Intel Search vendor "Intel"	Dual Band Wireless-ac 3168 Firmware Search vendor "Intel" for product "Dual Band Wireless-ac 3168 Firmware"	< 21.110 Search vendor "Intel" for product "Dual Band Wireless-ac 3168 Firmware" and version " < 21.110"	-	Affected	in	Intel Search vendor "Intel"	Dual Band Wireless-ac 3168 Search vendor "Intel" for product "Dual Band Wireless-ac 3168"	-	-	Safe
Intel Search vendor "Intel"	Dual Band Wireless-ac 8260 Firmware Search vendor "Intel" for product "Dual Band Wireless-ac 8260 Firmware"	< 21.110 Search vendor "Intel" for product "Dual Band Wireless-ac 8260 Firmware" and version " < 21.110"	-	Affected	in	Intel Search vendor "Intel"	Dual Band Wireless-ac 8260 Search vendor "Intel" for product "Dual Band Wireless-ac 8260"	-	-	Safe
Intel Search vendor "Intel"	Dual Band Wireless-ac 8265 Firmware Search vendor "Intel" for product "Dual Band Wireless-ac 8265 Firmware"	< 21.110 Search vendor "Intel" for product "Dual Band Wireless-ac 8265 Firmware" and version " < 21.110"	-	Affected	in	Intel Search vendor "Intel"	Dual Band Wireless-ac 8265 Search vendor "Intel" for product "Dual Band Wireless-ac 8265"	-	-	Safe
Intel Search vendor "Intel"	Wi-fi 6 Ax200 Firmware Search vendor "Intel" for product "Wi-fi 6 Ax200 Firmware"	< 21.110 Search vendor "Intel" for product "Wi-fi 6 Ax200 Firmware" and version " < 21.110"	-	Affected	in	Intel Search vendor "Intel"	Wi-fi 6 Ax200 Search vendor "Intel" for product "Wi-fi 6 Ax200"	-	-	Safe
Intel Search vendor "Intel"	Wi-fi 6 Ax201 Firmware Search vendor "Intel" for product "Wi-fi 6 Ax201 Firmware"	< 21.110 Search vendor "Intel" for product "Wi-fi 6 Ax201 Firmware" and version " < 21.110"	-	Affected	in	Intel Search vendor "Intel"	Wi-fi 6 Ax201 Search vendor "Intel" for product "Wi-fi 6 Ax201"	-	-	Safe
Intel Search vendor "Intel"	Wireless-ac 9260 Firmware Search vendor "Intel" for product "Wireless-ac 9260 Firmware"	< 21.110 Search vendor "Intel" for product "Wireless-ac 9260 Firmware" and version " < 21.110"	-	Affected	in	Intel Search vendor "Intel"	Wireless-ac 9260 Search vendor "Intel" for product "Wireless-ac 9260"	-	-	Safe
Intel Search vendor "Intel"	Wireless-ac 9461 Firmware Search vendor "Intel" for product "Wireless-ac 9461 Firmware"	< 21.110 Search vendor "Intel" for product "Wireless-ac 9461 Firmware" and version " < 21.110"	-	Affected	in	Intel Search vendor "Intel"	Wireless-ac 9461 Search vendor "Intel" for product "Wireless-ac 9461"	-	-	Safe
Intel Search vendor "Intel"	Wireless-ac 9462 Firmware Search vendor "Intel" for product "Wireless-ac 9462 Firmware"	< 21.110 Search vendor "Intel" for product "Wireless-ac 9462 Firmware" and version " < 21.110"	-	Affected	in	Intel Search vendor "Intel"	Wireless-ac 9462 Search vendor "Intel" for product "Wireless-ac 9462"	-	-	Safe
Intel Search vendor "Intel"	Wireless-ac 9560 Firmware Search vendor "Intel" for product "Wireless-ac 9560 Firmware"	< 21.110 Search vendor "Intel" for product "Wireless-ac 9560 Firmware" and version " < 21.110"	-	Affected	in	Intel Search vendor "Intel"	Wireless-ac 9560 Search vendor "Intel" for product "Wireless-ac 9560"	-	-	Safe
Intel Search vendor "Intel"	Wireless 7265 \(rev D\) Firmware Search vendor "Intel" for product "Wireless 7265 \(rev D\) Firmware"	< 21.110 Search vendor "Intel" for product "Wireless 7265 \(rev D\) Firmware" and version " < 21.110"	-	Affected	in	Intel Search vendor "Intel"	Wireless 7265 \(rev D\) Search vendor "Intel" for product "Wireless 7265 \(rev D\)"	-	-	Safe
Intel Search vendor "Intel"	Dual Band Wireless-ac 3165 Firmware Search vendor "Intel" for product "Dual Band Wireless-ac 3165 Firmware"	< 21.110 Search vendor "Intel" for product "Dual Band Wireless-ac 3165 Firmware" and version " < 21.110"	-	Affected	in	Intel Search vendor "Intel"	Dual Band Wireless-ac 3165 Search vendor "Intel" for product "Dual Band Wireless-ac 3165"	-	-	Safe