CVE-2025-7735 in Hospital Information System
Summary
by MITRE • 07/17/2025
The Hospital Information System developed by UNIMAX has a SQL Injection vulnerability, allowing unauthenticated remote attackers to inject arbitrary SQL commands to read database contents.
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Analysis
by VulDB Data Team • 07/17/2025
The vulnerability identified as CVE-2025-7735 affects the Hospital Information System (HIS) produced by UNIMAX, representing a critical security flaw that exposes sensitive patient and administrative data to unauthorized access. This vulnerability manifests as a SQL Injection vulnerability within the system's database interaction mechanisms, creating a pathway for malicious actors to manipulate database queries through crafted input parameters. The flaw exists in the system's handling of user-supplied data that is directly incorporated into SQL commands without proper sanitization or parameterization, enabling attackers to execute arbitrary database operations.
The technical implementation of this vulnerability stems from insufficient input validation and improper database query construction within the HIS application framework. When user inputs are processed through the system's web interfaces or API endpoints, the application fails to properly escape or parameterize these inputs before incorporating them into database queries. This allows attackers to inject malicious SQL syntax that can bypass authentication mechanisms, extract confidential information, modify database records, or even execute administrative commands on the underlying database server. The vulnerability specifically affects the system's authentication and data retrieval functionalities, where user credentials and patient medical records are processed through vulnerable database interfaces.
From an operational perspective, this vulnerability poses severe risks to healthcare organizations utilizing the UNIMAX HIS system, as it enables unauthenticated remote attackers to gain unauthorized access to sensitive patient medical records, administrative data, and potentially financial information. The impact extends beyond simple data theft, as attackers could potentially disrupt healthcare operations by corrupting medical records, manipulating patient schedules, or even causing system downtime that could affect patient care delivery. The vulnerability's remote exploitability means that attackers do not require physical access to the network or system, making it particularly dangerous for healthcare organizations that may have limited security monitoring capabilities for their medical systems.
The vulnerability aligns with CWE-89, which specifically addresses SQL Injection flaws in software applications, and represents a direct violation of security best practices for database interaction. Attackers could leverage this vulnerability through standard web application exploitation techniques, potentially using automated tools to identify and exploit the flaw. The system's lack of proper input validation and output encoding creates multiple attack vectors, including but not limited to authentication bypass, data exfiltration, and privilege escalation. Organizations should consider implementing the ATT&CK framework's T1190 technique for exploitation of remote services, as this vulnerability enables attackers to establish persistent access to healthcare databases.
Mitigation strategies for CVE-2025-7735 should prioritize immediate implementation of parameterized queries and stored procedures to prevent SQL injection attacks. Organizations must conduct comprehensive input validation and sanitization across all user-facing interfaces, ensuring that all database interactions utilize prepared statements or parameterized queries that separate SQL command structure from data content. Additionally, implementing proper access controls, database activity monitoring, and regular security assessments can help detect and prevent exploitation attempts. System administrators should also consider deploying web application firewalls and intrusion detection systems specifically configured to identify SQL injection patterns. The UNIMAX vendor should provide immediate security patches and updates, while organizations should conduct thorough vulnerability assessments to identify any other potentially affected systems within their healthcare infrastructure that may share similar vulnerabilities.