High severity7.5NVD Advisory· Published May 24, 2021· Updated Jun 17, 2026
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).
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4cpe:2.3:a:bluetooth:mesh_profile:1.0.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:bluetooth:mesh_profile:1.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:bluetooth:mesh_profile:1.0.1:*:*:*:*:*:*:*
- Bluetooth/Bluetooth Mesh profiledescription
- Range: 1.0, 1.0.1
Patches
Vulnerability mechanics
References
3- kb.cert.org/vuls/id/799380nvdThird Party AdvisoryUS Government Resource
- www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security/nvdVendor Advisory
- www.kb.cert.org/vuls/id/799380nvd
News mentions
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