CVE-2023-28651 Explained : Impact and Mitigation

This CVE-2023-28651 article provides insights into a cross-site scripting vulnerability in CONPROSYS HMI System (CHS) versions prior to 3.5.3, potentially allowing for the execution of arbitrary scripts.

Understanding CVE-2023-28651

This section delves into the details of CVE-2023-28651, outlining the vulnerability, its impact, technical aspects, and mitigation strategies.

What is CVE-2023-28651?

CVE-2023-28651 refers to a cross-site scripting vulnerability present in CONPROSYS HMI System (CHS) versions before 3.5.3. This flaw allows an attacker with administrative privileges to execute arbitrary scripts on another user's web browser accessing the system with administrative rights.

The Impact of CVE-2023-28651

The impact of this vulnerability is significant as it enables attackers to inject and execute malicious scripts within the context of an authenticated user, potentially leading to unauthorized access, data theft, or further exploitation of the affected system.

Technical Details of CVE-2023-28651

Understanding the technical aspects of CVE-2023-28651 is crucial in comprehending the nature of the vulnerability and its implications for affected systems.

Vulnerability Description

The vulnerability arises due to insufficient input validation in CONPROSYS HMI System (CHS) versions earlier than 3.5.3, allowing attackers to craft specially designed settings that trigger the execution of unauthorized scripts within the system.

Affected Systems and Versions

The cross-site scripting vulnerability impacts Contec Co., Ltd.'s CONPROSYS HMI System (CHS) in versions preceding 3.5.3. Organizations utilizing these vulnerable versions are at risk of exploitation and compromise.

Exploitation Mechanism

Exploiting CVE-2023-28651 involves an attacker with administrative privileges configuring malicious settings within the affected product. By enticing another user with administrative access to access the system, the attacker can execute arbitrary scripts on their web browser, compromising their session and potentially the entire system.

Mitigation and Prevention

Addressing CVE-2023-28651 necessitates immediate action to mitigate risks and enhance the security posture of affected systems.

Immediate Steps to Take

Organizations should promptly update CONPROSYS HMI System (CHS) to version 3.5.3 or the latest release to eliminate the cross-site scripting vulnerability. It is crucial to restrict administrative access and enforce stringent security controls to prevent unauthorized script execution.

Long-Term Security Practices

Implementing robust security measures, including regular security assessments, user training on safe usage practices, and secure coding practices, can enhance the overall resilience of systems against similar vulnerabilities.

Patching and Updates

Regularly monitoring for security advisories and promptly applying patches and updates from vendors like Contec Co., Ltd. is essential to stay protected against emerging threats and vulnerabilities like CVE-2023-28651.