VULNERABILITY INTELLIGENCE

CVE-2020-26559

CVSS score8.8 HIGH

EPSS probability0.85%

CISA KEVNot currently listed

Published2021-05-24

Last modified2026-06-17

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

Description

Bluetooth Mesh Provisioning in the Bluetooth Mesh profile 1.0 and 1.0.1 may permit a nearby device (participating in the provisioning protocol) to identify the AuthValue used given the Provisioner’s public key, and the confirmation number and nonce provided by the provisioning device. This could permit a device without the AuthValue to complete provisioning without brute-forcing the AuthValue.

Weakness classification

nvd@nist.gov: CWE-863

Primary references

cve@mitre.org — Third Party Advisory, US Government Resource
cve@mitre.org — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108