CVE Vulnerability

CVE-2021-31787

The Bluetooth Classic implementation on Actions ATS2815 chipsets does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service and shutdown of a device by flooding the target device with LMP_features_res packets.

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 Broken Link
https://www.actions-semi.com/index.php?id=3581&siteId=4 Vendor Advisory
https://launchstudio.bluetooth.com/ListingDetails/76427 Third Party Advisory
Configurations

Configuration 1
Information

Published : 2021-11-30 08:15

Updated : 2021-12-03 02:45

NVD link : CVE-2021-31787

Mitre link : CVE-2021-31787

Products Affected
No products.
CWE
CWE-770