CVE-2019-18352 : Vulnerability Insights and Analysis

Devices such as PHOENIX CONTACT FL NAT 2208 devices prior to V2.90 and FL NAT 2304-2GC-2SFP devices prior to V2.90 suffer from inadequate access control when MAC-based port security is being utilized.

Understanding CVE-2019-18352

This CVE entry highlights a vulnerability related to improper access control on specific PHOENIX CONTACT devices.

What is CVE-2019-18352?

The vulnerability in CVE-2019-18352 pertains to inadequate access control on PHOENIX CONTACT FL NAT 2208 and FL NAT 2304-2GC-2SFP devices when utilizing MAC-based port security.

The Impact of CVE-2019-18352

The vulnerability could potentially allow unauthorized access to the affected devices, compromising network security and confidentiality.

Technical Details of CVE-2019-18352

This section provides more technical insights into the CVE-2019-18352 vulnerability.

Vulnerability Description

The vulnerability arises from insufficient access control mechanisms on the specified PHOENIX CONTACT devices.

Affected Systems and Versions

Devices: PHOENIX CONTACT FL NAT 2208 and FL NAT 2304-2GC-2SFP
Versions: Devices prior to V2.90

Exploitation Mechanism

The vulnerability is exploited when MAC-based port security is enabled on the affected devices.

Mitigation and Prevention

Protecting systems from CVE-2019-18352 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable MAC-based port security if not essential
Implement additional access controls and authentication measures
Monitor network traffic for any suspicious activities

Long-Term Security Practices

Regularly update device firmware to the latest version
Conduct security audits and assessments periodically
Educate users on best security practices

Patching and Updates

Apply patches or updates provided by PHOENIX CONTACT to address the vulnerability