CVE-2020-7487 : Vulnerability Insights and Analysis

A CWE-345 vulnerability in Schneider Electric's Modicon controllers could allow attackers to execute malicious code.

Understanding CVE-2020-7487

What is CVE-2020-7487?

This CVE identifies an Insufficient Verification of Data Authenticity vulnerability in Modicon M218, M241, M251, and M258 controllers.

The Impact of CVE-2020-7487

The vulnerability could enable attackers to execute malicious code on the affected Modicon controllers.

Technical Details of CVE-2020-7487

Vulnerability Description

The vulnerability is categorized as CWE-345: Insufficient Verification of Data Authenticity.

Affected Systems and Versions

EcoStruxure Machine Expert (all versions)
SoMachine, SoMachine Motion (all versions)
Modicon M218 Logic Controller (all versions)
Modicon M241 Logic Controller (all versions)
Modicon M251 Logic Controller (all versions)
Modicon M258 Logic Controller (all versions)

Exploitation Mechanism

The vulnerability could be exploited by attackers to execute malicious code on the mentioned Modicon controllers.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by Schneider Electric.
Implement network segmentation to limit exposure.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch all software and firmware.
Conduct security assessments and penetration testing.
Educate users on cybersecurity best practices.

Patching and Updates

Ensure timely installation of security updates and patches to mitigate the vulnerability.