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MEDIUM · 6.5

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, al...

Vulnerability Description

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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
Actions-SemiAts2819P Firmware-
Actions-SemiAts2819P-
Actions-SemiAts2815 Firmware-
Actions-SemiAts2815-
Actions-SemiAts2819 Firmware-
Actions-SemiAts2819-
Actions-SemiAts2819S Firmware-
Actions-SemiAts2819S-
Actions-SemiAts2819T Firmware-
Actions-SemiAts2819T-

Related Weaknesses (CWE)

CWE-667

References

FAQ

What is CVE-2021-31786?

CVE-2021-31786 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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, al...

How severe is CVE-2021-31786?

CVE-2021-31786 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-31786?

Check the references section above for vendor advisories and patch information. Affected products include: Actions-Semi Ats2819P Firmware, Actions-Semi Ats2819P, Actions-Semi Ats2815 Firmware, Actions-Semi Ats2815, Actions-Semi Ats2819 Firmware.