CVE-2020-6984 : Exploit Details and Defense Strategies

Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Software v12.001 and prior, The cryptographic function utilized to protect the password in MicroLogix is discoverable.

Understanding CVE-2020-6984

This CVE involves a vulnerability in Rockwell Automation MicroLogix 1400 Controllers Series B, Series A, MicroLogix 1100 Controller, and RSLogix 500 Software versions.

What is CVE-2020-6984?

The vulnerability in this CVE allows the cryptographic function protecting the password in MicroLogix to be discovered, potentially compromising security.

The Impact of CVE-2020-6984

This vulnerability could lead to unauthorized access to the affected systems, posing a risk to the confidentiality and integrity of sensitive information.

Technical Details of CVE-2020-6984

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability arises from the discoverable cryptographic function used to protect passwords in the affected Rockwell Automation products.

Affected Systems and Versions

Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior
Rockwell Automation MicroLogix 1400 Controllers Series A, all versions
MicroLogix 1100 Controller, all versions
RSLogix 500 Software v12.001 and prior

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to uncover the cryptographic function and potentially gain unauthorized access to the systems.

Mitigation and Prevention

Protecting systems from CVE-2020-6984 is crucial to maintaining security.

Immediate Steps to Take

Implement strong, unique passwords for all devices and systems
Regularly monitor and audit system logs for any suspicious activities
Consider network segmentation to limit the impact of a potential breach

Long-Term Security Practices

Conduct regular security assessments and penetration testing
Keep software and firmware up to date with the latest security patches

Patching and Updates

Apply patches and updates provided by Rockwell Automation to address the vulnerability