CVE-2023-28657 : Vulnerability Insights and Analysis

This CVE record details an improper access control vulnerability identified in CONPROSYS HMI System (CHS) versions prior to 3.5.3. The vulnerability could allow a user with access to the PC where the affected product is installed to gain administrative privileges, potentially leading to unauthorized access and modification of product information.

Understanding CVE-2023-28657

This section will delve into the specifics of CVE-2023-28657, including what the vulnerability entails and its potential impact.

What is CVE-2023-28657?

CVE-2023-28657 is an improper access control vulnerability found in CONPROSYS HMI System (CHS) versions before 3.5.3. This flaw enables a user to elevate their privileges on the system, granting them unauthorized administrative access.

The Impact of CVE-2023-28657

The impact of this vulnerability is significant as it allows a malicious user to potentially view, manipulate, or delete sensitive product information, leading to data breaches, unauthorized modifications, or disruptions to the system's operations.

Technical Details of CVE-2023-28657

In this section, we will explore technical aspects of the vulnerability, including its description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises from improper access control measures within CONPROSYS HMI System (CHS) versions prior to 3.5.3, allowing unauthorized users to gain administrative privileges.

Affected Systems and Versions

The affected system is the CONPROSYS HMI System (CHS) by Contec Co., Ltd., specifically versions older than 3.5.3.

Exploitation Mechanism

An attacker can exploit this vulnerability by gaining access to the PC where the affected product is installed and then escalating privileges to achieve administrative access, potentially leading to unauthorized actions.

Mitigation and Prevention

This section covers steps that organizations and users can take to mitigate the risks associated with CVE-2023-28657 and prevent exploitation.

Immediate Steps to Take

Immediately upgrading to version 3.5.3 or newer of the CONPROSYS HMI System (CHS) is crucial to mitigate the vulnerability and prevent unauthorized access.

Long-Term Security Practices

Implementing robust access control measures, regular security assessments, and user access reviews can help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly applying security patches and updates provided by Contec Co., Ltd. for the CONPROSYS HMI System (CHS) is essential to ensure the system remains secure and protected against known vulnerabilities.