Improper access control in Bluetooth Core Specification - CVE-2020-26555
Published: May 26, 2021
Vulnerability identifier: #VU53578
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-26555
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Bluetooth SIG, Inc.
Affected software:
Bluetooth Core Specification
Bluetooth Core Specification
Detailed vulnerability description
The vulnerability allows a local attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions within the Bluetooth legacy BR/EDR PIN code pairing. An attacker with physical access can spoof the BD_ADDR of the peer device and complete pairing without knowledge of the PIN.
How to mitigate CVE-2020-26555
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.