CVE-2019-6815 : What You Need to Know

Modicon Quantum firmware versions are susceptible to vulnerabilities related to permissions, privileges, and access control when using Ethernet/IP protocol, potentially leading to unauthorized modifications or denial of service.

Understanding CVE-2019-6815

The CVE-2019-6815 vulnerability affects Modicon Quantum firmware versions, posing risks to PLC configurations due to Ethernet/IP protocol usage.

What is CVE-2019-6815?

CVE-2019-6815 involves CWE-264 vulnerabilities in Modicon Quantum firmware versions, allowing unauthorized modifications or denial of service through Ethernet/IP protocol.

The Impact of CVE-2019-6815

The vulnerability can result in unauthorized changes to PLC configurations or denial of service, compromising the integrity and availability of industrial control systems.

Technical Details of CVE-2019-6815

Modicon Quantum firmware versions are at risk due to vulnerabilities associated with permissions, privileges, and access control when utilizing Ethernet/IP protocol.

Vulnerability Description

The utilization of Ethernet/IP protocol in Modicon Quantum's various firmware versions may lead to vulnerabilities related to permissions, privileges, and access control, ultimately resulting in unauthorized modifications of the PLC configuration or denial of service.

Affected Systems and Versions

Product: Modicon Quantum - all firmware versions
Vendor: n/a
Versions: Modicon Quantum - all firmware versions

Exploitation Mechanism

The vulnerability arises from the insecure implementation of the Ethernet/IP protocol in Modicon Quantum firmware versions, enabling attackers to exploit weaknesses in permissions and access control.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigating the risks associated with CVE-2019-6815.

Immediate Steps to Take

Disable unused Ethernet/IP services to reduce the attack surface.
Implement network segmentation to isolate critical systems.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update firmware to patch known vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses.
Educate staff on cybersecurity best practices to enhance overall awareness.
Implement access controls and authentication mechanisms to restrict unauthorized access.
Stay informed about security advisories and updates from the vendor.

Patching and Updates

Ensure timely installation of security patches provided by the vendor to address vulnerabilities and enhance the security posture of the affected systems.