What is CVE-2021-34143?

CVE-2021-34143 is a vulnerability in the Bluetooth Classic implementation in the Zhuhai Jieli AC6366C_DEMO_V1.0.

How does CVE-2021-34143 impact the affected software?

CVE-2021-34143 allows attackers in radio range to trigger a denial of service (deadlock) of the device by flooding it with LMP_AU_Rand packets.

What is the severity of CVE-2021-34143?

CVE-2021-34143 has a severity value of 6.5 (out of 10).

How can I fix CVE-2021-34143?

There is no available fix for CVE-2021-34143 at the moment, it is recommended to follow the suggestions provided by the vendor or the Bluetooth SIG.

Where can I find more information about CVE-2021-34143?

You can find more information about CVE-2021-34143 in the following references: [Reference 1](https://dl.packetstormsecurity.net/papers/general/braktooth.pdf), [Reference 2](https://github.com/Jieli-Tech/fw-AC63_BT_SDK), [Reference 3](https://launchstudio.bluetooth.com/ListingDetails/91371).

Vulnerability/
CVE-2021-34143

medium

6.5

7/9/2021

14/9/2021

CVE-2021-34143

First published: Tue Sep 07 2021(Updated: )

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Zh-jieli Fw-ac63 Bt Sdk	=1.0.0
Zh-jieli Ac6936
Zh-jieli Ac6951
Zh-jieli Ac6952
Zh-jieli Ac6954
Zh-jieli Ac6955
Zh-jieli Ac6956
Zh-jieli Ac6963
Zh-jieli Ac6965
Zh-jieli Ac6966
Zh-jieli Ac6969
Zh-jieli Ac6973
Zh-jieli Ac6976
Zh-jieli Ac6983
Zh-jieli Ac6986

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Frequently Asked Questions

What is CVE-2021-34143?
CVE-2021-34143 is a vulnerability in the Bluetooth Classic implementation in the Zhuhai Jieli AC6366C_DEMO_V1.0.
How does CVE-2021-34143 impact the affected software?
CVE-2021-34143 allows attackers in radio range to trigger a denial of service (deadlock) of the device by flooding it with LMP_AU_Rand packets.
What is the severity of CVE-2021-34143?
CVE-2021-34143 has a severity value of 6.5 (out of 10).
How can I fix CVE-2021-34143?
There is no available fix for CVE-2021-34143 at the moment, it is recommended to follow the suggestions provided by the vendor or the Bluetooth SIG.
Where can I find more information about CVE-2021-34143?
You can find more information about CVE-2021-34143 in the following references: [Reference 1](https://dl.packetstormsecurity.net/papers/general/braktooth.pdf), [Reference 2](https://github.com/Jieli-Tech/fw-AC63_BT_SDK), [Reference 3](https://launchstudio.bluetooth.com/ListingDetails/91371).

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