#VU53579 Security features bypass in Bluetooth Core Specification - CVE-2020-26558
Published: May 26, 2021 / Updated: January 26, 2022
Vulnerability identifier: #VU53579
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-2020-26558
CWE-ID: CWE-254
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
Bluetooth Core Specification
Bluetooth Core Specification
Software vendor:
Bluetooth SIG, Inc.
Bluetooth SIG, Inc.
Description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to an impersonation in the Passkey Entry protocol flaw. A remote attacker on the local network can perform a man-in-the-middle (MITM) attack and impersonate the initiating device without any previous knowledge.
Note: This vulnerability affects the following specifications:
- BR/EDR Secure Simple Pairing in Bluetooth Core Specifications 2.1 through 5.2
- BR/EDR Secure Connections Pairing in Bluetooth Core Specifications 4.1 through 5.2
- LE Secure Connections Pairing in Bluetooth Core Specifications 4.2 through 5.2
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.