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CVE-2017-6020 : What You Need to Know

Discover the impact of CVE-2017-6020, a path traversal vulnerability in LAquis SCADA software versions prior to 4.1.0.3237. Learn about affected systems, exploitation risks, and mitigation steps.

LCDS, the vendor of LAquis SCADA software, identified a vulnerability in versions prior to 4.1.0.3237 that allows users to request absolute path sequences beyond their authorized privilege level.

Understanding CVE-2017-6020

LCDS discovered a security flaw in their LAquis SCADA software that could be exploited by attackers to access unauthorized paths.

What is CVE-2017-6020?

This CVE refers to a path traversal vulnerability in LAquis SCADA software versions prior to 4.1.0.3237, allowing users to request absolute path sequences beyond their privilege level.

The Impact of CVE-2017-6020

The vulnerability could be exploited by malicious users to gain unauthorized access to sensitive system files and directories.

Technical Details of CVE-2017-6020

LCDS SCADA software versions prior to 4.1.0.3237 are susceptible to a path traversal vulnerability.

Vulnerability Description

The software fails to properly sanitize external input, enabling users to traverse directories beyond their authorized access level.

Affected Systems and Versions

        Product: LAquis SCADA software
        Vendor: LCDS - Leão Consultoria e Desenvolvimento de Sistemas LTDA ME
        Versions Affected: Prior to version 4.1.0.3237

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating input to access files and directories outside their permitted scope.

Mitigation and Prevention

Immediate action is necessary to secure systems against potential exploitation.

Immediate Steps to Take

        Update LAquis SCADA software to version 4.1.0.3237 or later.
        Implement proper input validation mechanisms to prevent path traversal attacks.

Long-Term Security Practices

        Regularly monitor and audit system logs for unusual activities.
        Train users on secure coding practices to mitigate similar vulnerabilities.

Patching and Updates

        Apply security patches and updates provided by LCDS to address the vulnerability.

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