CVE-2020-26557
First published: Mon May 24 2021(Updated: )
Mesh Provisioning in the Bluetooth Mesh profile 1.0 and 1.0.1 may permit a nearby device (without possession of the AuthValue used in the provisioning protocol) to determine the AuthValue via a brute-force attack (unless the AuthValue is sufficiently random and changed each time).
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Bluetooth Mesh profile | =1.0.0 | |
| Bluetooth Mesh profile | =1.0.1 |
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Reference Links
Frequently Asked Questions
What is CVE-2020-26557?
CVE-2020-26557 is a vulnerability in the Bluetooth Mesh profile 1.0 and 1.0.1 that could allow a nearby device to determine the AuthValue via a brute-force attack.
How does CVE-2020-26557 affect Bluetooth Mesh profile?
CVE-2020-26557 affects the Bluetooth Mesh profile versions 1.0 and 1.0.1.
What is the severity of CVE-2020-26557?
The severity of CVE-2020-26557 is high, with a severity value of 7.5.
How can a nearby device exploit CVE-2020-26557?
A nearby device can exploit CVE-2020-26557 by conducting a brute-force attack to determine the AuthValue used in the provisioning protocol.
Are there any fixes available for CVE-2020-26557?
To mitigate CVE-2020-26557, it is recommended to ensure that the AuthValue is sufficiently random and changed each time.
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- version/bluetooth mesh profile/1.0.0
- version/bluetooth mesh profile/1.0.1