CVE-2023-22324 in CONPROSYS HMI System
Summary
by MITRE • 01/30/2023
SQL injection vulnerability in the CONPROSYS HMI System (CHS) Ver.3.5.0 and earlier allows a remote authenticated attacker to execute an arbitrary SQL command. As a result, information stored in the database may be obtained.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 09/28/2025
The CVE-2023-22324 vulnerability represents a critical sql injection flaw within the conprosys hmi system version 3.5.0 and earlier releases. this vulnerability specifically affects industrial automation environments where hmi systems serve as crucial interfaces for monitoring and controlling industrial processes. the flaw exists in the system's handling of user input within database queries, creating an avenue for malicious actors to manipulate the underlying database infrastructure. the vulnerability is classified as remote and authenticated, meaning that an attacker must first establish legitimate credentials to access the system, but once inside the network perimeter, they can exploit this weakness to execute arbitrary sql commands.
the technical exploitation of this vulnerability occurs when the conprosys hmi system fails to properly sanitize or validate user input before incorporating it into sql queries. this improper input handling allows attackers to inject malicious sql code that gets executed by the database engine. the vulnerability stems from the system's inadequate parameterization of database queries, which is a well-documented weakness categorized under cwe-89 sql injection. the attack vector typically involves manipulating form fields, api endpoints, or parameterized inputs that are subsequently processed by the backend database. when an authenticated user submits data that is not properly escaped or parameterized, the sql injection payload can alter the intended query execution flow and potentially extract sensitive information from the database.
the operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with the capability to manipulate or destroy database content. in industrial settings where the conprosys hmi system controls critical infrastructure, this vulnerability could lead to unauthorized access to operational parameters, configuration data, historical records, and potentially sensitive process information. the consequences could include operational disruption, data integrity compromise, and potential safety risks in industrial environments where system reliability is paramount. the vulnerability's classification under attack technique t1071.004 application layer protocol communication indicates that it operates at the application level, making it particularly dangerous as it can bypass network level security controls that might otherwise protect the database infrastructure.
organizations utilizing conprosys hmi systems must implement immediate remediation measures to address this vulnerability. the primary mitigation strategy involves updating to version 3.5.1 or later, which contains patches specifically designed to address the sql injection flaw. additionally, implementing proper input validation and parameterized queries should be enforced throughout the system architecture to prevent similar vulnerabilities from emerging. network segmentation and access controls should be reviewed to limit the scope of potential exploitation, while database activity monitoring should be enhanced to detect anomalous sql query patterns. the implementation of web application firewalls and regular security assessments can provide additional layers of protection. organizations should also conduct thorough vulnerability assessments to identify other potential injection points within their industrial control systems and ensure compliance with cybersecurity frameworks such as nist cyber security framework and iso 27001 standards to maintain robust security postures against evolving threats.