PT-2021-11249 · Unknown · Bluetooth Mesh

Published 2021-05-24 · Updated 2021-06-03 · CVE-2020-26560

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Bluetooth Mesh profile versions 1.0 through 1.0.1

Description: The issue allows a nearby device to reflect authentication evidence from a Provisioner, potentially completing authentication without possessing the AuthValue, and acquiring a NetKey and AppKey.

Recommendations: For Bluetooth Mesh profile versions 1.0 through 1.0.1, at the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

CVE-2020-26560

Affected Products

Bluetooth Mesh

References · 9

• https://bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-26560 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-26560 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-26560 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-26560 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-26560 · Security Note
• https://kb.cert.org/vuls/id/799380 · Note
• https://bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/impersonation-mesh · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=1959994 · Note