CVE-2020-26557

7.5 HIGH
Published: May 24, 2021 Modified: November 04, 2025
View on 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).

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://kb.cert.org/vuls/id/799380
Source: cve@mitre.org
Third Party Advisory US Government Resource
https://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security/
Source: cve@mitre.org
Vendor Advisory
https://kb.cert.org/vuls/id/799380
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory US Government Resource
https://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.kb.cert.org/vuls/id/799380
Source: af854a3a-2127-422b-91ae-364da2661108

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
1.2%
79th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-287

Affected Vendors

bluetooth

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