#VU53581 Improper Authentication in Bluetooth Mesh profile - CVE-2020-26556

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Main Vulnerability Database Vulnerabilities #VU53581

#VU53581 Improper Authentication in Bluetooth Mesh profile - CVE-2020-26556

Published: May 26, 2021 / Updated: January 26, 2022


Vulnerability identifier: #VU53581
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:P/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-2020-26556
CWE-ID: CWE-287
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Bluetooth Mesh profile
Software vendor:
Bluetooth SIG, Inc.

Description

The vulnerability allows a local attacker to bypass authentication process.

The vulnerability exists due to a flaw in the authentication protocol. An attacker with physical access can identify the AuthValue used before the provisioning procedure times out, complete the provisioning operation and obtain a NetKey.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links