CVE-2021-20107 : Vulnerability Insights and Analysis

This CVE involves an unauthenticated BLE Interface vulnerability in Sloan SmartFaucets and Flushometers, potentially leading to unauthenticated kinetic effects and information disclosure.

Understanding CVE-2021-20107

This vulnerability affects Sloan SmartFaucets and Flushometers, enabling unauthorized access via Bluetooth Low Energy (BLE) connectivity.

What is CVE-2021-20107?

The vulnerability allows attackers to exploit unauthenticated BLE characteristics on Sloan SmartFaucets and Flushometers, controlling water flow, sensor sensitivity, and maintenance information.

The Impact of CVE-2021-20107

Unauthorized users can manipulate faucet operations and access sensitive maintenance details, posing privacy risks and potential disruptions.

Technical Details of CVE-2021-20107

The following details outline the vulnerability's specifics:

Vulnerability Description

The flaw permits unauthorized BLE interaction, granting control over faucet functionalities and maintenance data.

Affected Systems and Versions

All known versions of Sloan SmartFaucets, including Optima EAF, Optima ETF/EBF, BASYS EFX, and Flushometers, including SOLIS, are vulnerable.

Exploitation Mechanism

Attackers exploit the unauthenticated BLE Interface, leveraging BLE connectivity to read and manipulate various device characteristics.

Mitigation and Prevention

Protecting against CVE-2021-20107 requires immediate action and ongoing security practices.

Immediate Steps to Take

Disable BLE connectivity on affected devices if not required and monitor for unauthorized access.

Long-Term Security Practices

Regularly update firmware, apply security patches, and restrict physical access to prevent unauthorized interactions.

Patching and Updates

Stay informed about vendor security advisories and apply patches promptly to address the vulnerability.