CVE-2021-29242 : Vulnerability Insights and Analysis
Discover the impact of CVE-2021-29242 on CODESYS Control Runtime system. Learn about the vulnerability, affected versions, exploitation, and mitigation steps here.
The CODESYS Control Runtime system before version 3.5.17.0 is impacted by improper input validation, allowing attackers to manipulate communication packets and potentially change the router's addressing scheme.
Understanding CVE-2021-29242
This section provides an overview of the CVE-2021-29242 vulnerability.
What is CVE-2021-29242?
The CVE-2021-29242 vulnerability affects CODESYS Control Runtime system before 3.5.17.0 due to improper input validation. Attackers can exploit this flaw to alter communication packets and potentially modify the router's addressing scheme.
The Impact of CVE-2021-29242
The impact of CVE-2021-29242 includes the ability for attackers to manipulate communication packets, leading to potential changes in the router's addressing scheme and the unauthorized re-routing, addition, removal, or alteration of low-level communication packages.
Technical Details of CVE-2021-29242
Explore the technical aspects of the CVE-2021-29242 vulnerability in this section.
Vulnerability Description
The vulnerability arises from the lack of proper input validation in the CODESYS Control Runtime system before version 3.5.17.0, enabling malicious actors to send crafted communication packets to modify the router's addressing scheme.
Affected Systems and Versions
The vulnerability impacts CODESYS Control Runtime system versions prior to 3.5.17.0.
Exploitation Mechanism
Attackers can exploit CVE-2021-29242 by sending specially crafted communication packets to manipulate the router's addressing scheme and potentially change low-level communication packages.
Mitigation and Prevention
Learn how to address and prevent the CVE-2021-29242 vulnerability in this section.
Immediate Steps to Take
Immediately update the CODESYS Control Runtime system to version 3.5.17.0 or newer to mitigate the risk associated with CVE-2021-29242. Additionally, monitor network traffic for any suspicious activities that may indicate exploitation of the vulnerability.
Long-Term Security Practices
Implement regular security audits and penetration testing to identify and address vulnerabilities proactively. Educate system administrators and users on best practices for secure network communication.
Patching and Updates
Stay informed about security updates and patches released by CODESYS. Regularly apply patches and updates to ensure the system is protected against known vulnerabilities.