CVE-2021-29238 : Security Advisory and Response

CODESYS Automation Server before 1.16.0 is impacted by a cross-site request forgery (CSRF) vulnerability.

Understanding CVE-2021-29238

This CVE involves a security issue in CODESYS Automation Server before version 1.16.0 that allows for cross-site request forgery.

What is CVE-2021-29238?

CVE-2021-29238 is a vulnerability found in CODESYS Automation Server versions prior to 1.16.0, enabling attackers to perform cross-site request forgery attacks.

The Impact of CVE-2021-29238

Exploitation of this vulnerability could lead to unauthorized actions being performed on behalf of a user without their consent, posing a significant security risk to the affected systems.

Technical Details of CVE-2021-29238

This section details the specifics of the CVE-2021-29238 vulnerability.

Vulnerability Description

The vulnerability in CODESYS Automation Server before 1.16.0 allows for cross-site request forgery, which can be exploited by attackers for malicious activities.

Affected Systems and Versions

CODESYS Automation Server versions prior to 1.16.0 are affected by this CSRF vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking a user into performing unintended actions, potentially compromising the security of the system.

Mitigation and Prevention

Here are some steps that can be taken to mitigate the risks associated with CVE-2021-29238.

Immediate Steps to Take

It is crucial to update CODESYS Automation Server to version 1.16.0 or newer to patch the CSRF vulnerability and prevent exploitation.

Long-Term Security Practices

Implementing proper input validation, user authentication, and security mechanisms can help enhance the overall security posture of the system.

Patching and Updates

Regularly applying security patches and updates provided by the vendor is essential to protect systems against known vulnerabilities like CVE-2021-29238.