Overview
The Cybersecurity and Infrastructure Security Agency (CISA) has recently reported a significant SQL Injection vulnerability in the Hospital Information System developed by UNIMAX. This vulnerability, designated as CVE-2025-7735, allows unauthenticated remote attackers to inject arbitrary SQL commands, potentially leading to unauthorized access to sensitive database contents. Given the sensitive nature of data handled by Hospital Information Systems, this vulnerability poses a significant risk to healthcare providers using the affected software.
Vulnerability Summary
CVE ID: CVE-2025-7735
Severity: High (CVSS 7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Unauthorized access to system databases, potential for system compromise, and data leakage.
Affected Products
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Product | Affected Versions
UNIMAX Hospital Information System | All versions prior to the patch
How the Exploit Works
The SQL Injection vulnerability in the UNIMAX Hospital Information System arises due to insufficient input validation of user-provided data. This oversight enables an attacker to insert malicious SQL statements into the application’s input fields. Once the system processes this manipulated input, the SQL statements can be executed, granting the attacker unauthorized access to read the system database contents.
Conceptual Example Code
Here is a conceptual example of a malicious HTTP request exploiting the SQL Injection vulnerability:
POST /patient/data HTTP/1.1
Host: hospitalinfo.unimax.com
Content-Type: application/json
{ "patient_id": "1; SELECT * FROM patients;" }In the above example, the malicious SQL command `SELECT * FROM patients;` is injected into the `patient_id` field. When processed, this command could lead to the exposure of all patient records within the database.
Mitigation Guidance
To mitigate this vulnerability, it is recommended to apply the latest patch provided by UNIMAX as soon as possible. If immediate patching is not feasible, implementing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation by detecting and blocking SQL Injection attacks. Users are also advised to regularly monitor system logs for any signs of unauthorized access or suspicious activity.
