CVE-2021-30187 : Vulnerability Insights and Analysis
Learn about CVE-2021-30187, a critical vulnerability in CODESYS V2 runtime system allowing OS command injection. Understand its impact, technical details, and mitigation strategies.
This CVE-2021-30187 article provides insights into a security vulnerability found in the CODESYS V2 runtime system. The vulnerability allows improper neutralization of special elements in an operating system command.
Understanding CVE-2021-30187
This section delves into the impact, technical details, and mitigation strategies related to CVE-2021-30187.
What is CVE-2021-30187?
CVE-2021-30187 refers to a vulnerability in the CODESYS V2 runtime system SP before version 2.4.7.55 that enables attackers to execute OS commands due to inadequate neutralization of special elements.
The Impact of CVE-2021-30187
The impact of this vulnerability is severe as it allows threat actors to potentially execute unauthorized commands on affected systems, leading to data breaches and system compromise.
Technical Details of CVE-2021-30187
This section outlines the specifics of the vulnerability, including affected systems, exploitation mechanisms, and preventive measures.
Vulnerability Description
The vulnerability in CODESYS V2 runtime system SP before 2.4.7.55 arises from the failure to properly neutralize special elements in OS commands, opening the door for command injection attacks.
Affected Systems and Versions
The affected system is CODESYS V2 runtime system with versions prior to 2.4.7.55, putting these systems at risk of exploitation if not promptly addressed.
Exploitation Mechanism
Cybercriminals can exploit CVE-2021-30187 by crafting malicious commands that are executed due to the lack of adequate sanitization of special elements, enabling unauthorized actions.
Mitigation and Prevention
This section highlights the steps organizations can take to mitigate the risks associated with CVE-2021-30187 and prevent potential attacks.
Immediate Steps to Take
Immediate actions include applying security patches, implementing network segmentation, and monitoring system logs for any suspicious activities.
Long-Term Security Practices
Establishing robust security policies, conducting regular security audits, and educating personnel on secure coding practices are crucial for long-term protection against similar vulnerabilities.
Patching and Updates
Regularly updating CODESYS V2 runtime system to version 2.4.7.55 or newer is vital to patch CVE-2021-30187 and stay protected from potential exploitation.