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CVE-2020-26557

nvd nist
Published: May 24, 2021Modified: Nov 4, 2025

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7.5
Vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.6 / Impact: 5.9
Source: NVD

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).

Affected (2)

Bluetooth
1 product
Mesh Profile
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Bluetooth
Mesh Profile
Version 1.0.0
Mesh Profile
Version 1.0.1

Related CWEs

CWE-287
Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

References (5)

Source: cve@mitre.org
Third Party AdvisoryUS Government Resource
Source: cve@mitre.org
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryUS Government Resource
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.