CVE Vulnerability

CVE-2021-31786

The Bluetooth Classic Audio implementation on Actions ATS2815 and ATS2819 devices does not properly handle a connection attempt from a host with the same BDAddress as the current connected BT host, allowing attackers to trigger a disconnection and deadlock of the device by connecting with a forged BDAddress that matches the original connected host.

6.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 6.5 / Impact : 6.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://dl.packetstormsecurity.net/papers/general/braktooth.pdf Technical Description Third Party Advisory
https://www.actions-semi.com/index.php?id=3581&siteId=4 Broken Link Vendor Advisory
https://launchstudio.bluetooth.com/ListingDetails/76427 Third Party Advisory
Configurations

Configuration 1
Information

Published : 2021-09-07 07:15

Updated : 2022-07-12 05:42

NVD link : CVE-2021-31786

Mitre link : CVE-2021-31786

Products Affected
No products.
CWE
CWE-667