CVE-2021-31786 - CVE House
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Status published Medium CVE-2021-31786

The Bluetooth Classic Audio implementation on Actions ATS2815 and ATS2819...

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from actions-semi

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CVE-2021-31787
The Bluetooth Classic implementation on Actions ATS2815 chipsets does not...
Medium 6.5
CVE-2021-31785
The Bluetooth Classic implementation on Actions ATS2815 and ATS2819 chipsets...
Medium 6.5

Affected Vendor

actions-semi

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Affected Software

ats2819p firmware, ats2815 firmware, ats2819 firmware, ats2819s firmware, ats2819t firmware
Vulnerable Versions:
Unknown

Timeline

Official Publish: September 7th, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.