Unrated severityNVD Advisory· Published May 24, 2021· Updated Nov 4, 2025
CVE-2020-26557
CVE-2020-26557
Description
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).
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Affected products
2- Bluetooth/Bluetooth Mesh profiledescription
- Range: 1.0, 1.0.1
Patches
Vulnerability mechanics
References
2- kb.cert.org/vuls/id/799380mitrex_refsource_MISC
- www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security/mitrex_refsource_MISC
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