CVE-2020-10135 : What You Need to Know
Learn about CVE-2020-10135 affecting Bluetooth BR/EDR v5.2 devices, allowing unauthenticated attackers to impersonate devices during pairing. Find mitigation steps and preventive measures.
Bluetooth devices supporting BR/EDR v5.2 and earlier are vulnerable to impersonation attacks.
Understanding CVE-2020-10135
Legacy pairing and secure-connections pairing authentication in Bluetooth BR/EDR Core Specification v5.2 and earlier may allow an unauthenticated user to complete authentication without pairing credentials via adjacent access.
What is CVE-2020-10135?
- Vulnerability in Bluetooth BR/EDR Core Specification v5.2 and earlier allowing unauthenticated adjacent attackers to impersonate devices during pairing.
The Impact of CVE-2020-10135
- Attackers can complete authentication without pairing credentials, potentially leading to unauthorized access.
Technical Details of CVE-2020-10135
Vulnerability Description
- Unauthenticated users can impersonate Bluetooth devices to complete authentication without pairing credentials.
Affected Systems and Versions
- Products: BR/EDR
- Vendor: Bluetooth
- Versions affected: <= 5.2
Exploitation Mechanism
- Attackers exploit legacy pairing and secure-connections pairing authentication to impersonate devices.
Mitigation and Prevention
Immediate Steps to Take
- Disable Bluetooth when not in use to prevent unauthorized access.
- Update devices to the latest firmware or software versions.
Long-Term Security Practices
- Regularly monitor for security advisories and updates from Bluetooth vendors.
- Implement secure pairing methods and encryption protocols.
Patching and Updates
- Apply patches provided by Bluetooth vendors to address the vulnerability.