#VU53585 Improper access control in Bluetooth Mesh profile - CVE-2020-26560
Published: May 26, 2021 / Updated: January 26, 2022
Vulnerability identifier: #VU53585
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-26560
CWE-ID: CWE-284
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
Bluetooth Mesh profile
Bluetooth Mesh profile
Software vendor:
Bluetooth SIG, Inc.
Bluetooth SIG, Inc.
Description
The vulnerability allows a local attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to an impersonation in the Mesh Provisioning procedure flaw. A remote attacker on the local network can spoof a device being provisioned, authenticate without the AuthValue and perform any operation permitted to a node provisioned on the subnet.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.