CVE-2017-16241 Explained : Impact and Mitigation

AMAG Symmetry Door Edge Network Controllers suffer from inadequate access control, enabling unauthorized individuals to manipulate door controller actions remotely.

Understanding CVE-2017-16241

What is CVE-2017-16241?

The vulnerability in AMAG Symmetry Door Edge Network Controllers allows unauthorized access to perform actions like locking, unlocking, and modifying ID card values remotely.

The Impact of CVE-2017-16241

The vulnerability permits attackers to execute door controller commands without authentication, posing a significant security risk to affected systems.

Technical Details of CVE-2017-16241

Vulnerability Description

The flaw in AMAG Symmetry Door Edge Network Controllers enables attackers to send unauthenticated requests via Serial over TCP/IP to manipulate door controller functions.

Affected Systems and Versions

AMAG Symmetry Door Edge Network Controllers (EN-1DBC Boot App 23611 03.60 and STD App 23603 03.60)
AMAG Symmetry Door Edge Network Controllers (EN-2DBC Boot App 24451 01.00 and STD App 2461 01.00)

Exploitation Mechanism

Attackers exploit the vulnerability by sending unauthenticated requests to affected devices through Serial over TCP/IP, allowing them to perform unauthorized actions.

Mitigation and Prevention

Immediate Steps to Take

Implement firewall rules to restrict access to vulnerable devices
Regularly monitor network traffic for any suspicious activity
Apply vendor-supplied patches or updates promptly

Long-Term Security Practices

Conduct regular security assessments and penetration testing
Educate users on best practices for secure device access

Patching and Updates

Apply the latest patches and updates provided by AMAG to address the access control vulnerability in the Symmetry Door Edge Network Controllers.