CVE-2020-7500 in U.motion Server
Summary
by MITRE
A CWE-89:Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability exists in U.motion Servers and Touch Panels (affected versions listed in the security notification) which could cause arbitrary code to be executed when a malicious command is entered.
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Analysis
by VulDB Data Team • 06/17/2020
The vulnerability identified as CVE-2020-7500 represents a critical sql injection flaw classified under CWE-89 within U.motion Servers and Touch Panels systems. This weakness arises from improper neutralization of special elements used in sql commands, creating a pathway for malicious actors to manipulate database queries through crafted input sequences. The affected systems operate within industrial automation and building management environments where these touch panels and server components serve as primary interfaces for system control and monitoring.
The technical exploitation of this vulnerability occurs when user-supplied input containing sql metacharacters is directly incorporated into sql command strings without proper sanitization or parameterization. Attackers can construct malicious sql payloads that bypass authentication mechanisms, extract sensitive data from underlying databases, or execute arbitrary commands on the affected systems. The vulnerability particularly affects the communication protocols used by U.motion products, which typically rely on sql databases for configuration storage, user management, and operational data handling. When a malicious command is entered through the touch panel interface or server communication channels, the improperly sanitized input gets processed as part of the sql command, enabling unauthorized access to the underlying database infrastructure.
The operational impact of this vulnerability extends beyond simple data compromise, as successful exploitation can lead to complete system compromise and unauthorized control of building automation systems. Attackers could potentially manipulate security systems, alter environmental controls, access sensitive operational data, or disrupt critical infrastructure operations. The vulnerability affects industrial control systems where uptime and security are paramount, making the potential impact severe for organizations relying on U.motion products for facility management and automation. The attack surface includes both network-based and physical access vectors, as touch panels often provide direct user interfaces that could be exploited through targeted input manipulation.
Mitigation strategies should focus on implementing proper input validation and parameterized queries to prevent sql injection attacks. Organizations must ensure that all user inputs are properly sanitized and that sql commands utilize prepared statements or parameterized queries rather than string concatenation. Network segmentation and access controls should be implemented to limit exposure of affected systems, while regular security updates and patches should be applied promptly. The implementation of web application firewalls and intrusion detection systems can help detect and prevent exploitation attempts. According to ATT&CK framework, this vulnerability maps to technique T1071.004 for application layer protocol and T1213.002 for data from information repositories, highlighting the need for comprehensive security monitoring. System administrators should also consider implementing least privilege principles and regularly audit database access logs to detect anomalous behavior that might indicate exploitation attempts.