CVE-2021-31630 : What You Need to Know
Learn about CVE-2021-31630, a vulnerability in Open PLC Webserver v3 allowing remote code execution. Find out the impact, technical details, and mitigation steps.
Command Injection in Open PLC Webserver v3 allows remote attackers to execute arbitrary code via the "Hardware Layer Code Box" component on the "/hardware" page of the application.
Understanding CVE-2021-31630
This CVE refers to a vulnerability in Open PLC Webserver v3 that enables attackers to run arbitrary code remotely.
What is CVE-2021-31630?
The CVE-2021-31630 vulnerability involves a command injection issue in Open PLC Webserver v3, allowing malicious actors to execute unauthorized code through the "Hardware Layer Code Box" feature on the "/hardware" section of the application.
The Impact of CVE-2021-31630
This vulnerability can have severe consequences as it permits remote attackers to gain unauthorized access and execute arbitrary commands, potentially leading to a full system compromise or data breach.
Technical Details of CVE-2021-31630
This section delves into the specifics of the vulnerability.
Vulnerability Description
The vulnerability arises from improper input validation in the "Hardware Layer Code Box" component, enabling attackers to insert and execute malicious commands.
Affected Systems and Versions
Open PLC Webserver v3 is affected by this vulnerability. The specific versions impacted are not disclosed.
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious commands through the "Hardware Layer Code Box" on the "/hardware" page, leading to arbitrary code execution.
Mitigation and Prevention
Protecting your systems from CVE-2021-31630 is crucial.
Immediate Steps to Take
To mitigate the risk, it is recommended to restrict access to the affected application and implement strict input validation mechanisms.
Long-Term Security Practices
Regularly update the Open PLC Webserver v3 application to the latest secure version and conduct security audits to detect and address vulnerabilities promptly.
Patching and Updates
Stay informed about security patches released by the Open PLC Webserver v3 developers and apply them promptly to remediate the CVE-2021-31630 vulnerability.