CVE-2025-6918 in Virtual PBX Software
Summary
by MITRE • 07/28/2025
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Ncvav Virtual PBX Software allows SQL Injection.This issue affects Virtual PBX Software: before 09.07.2025.
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Analysis
by VulDB Data Team • 07/28/2025
This vulnerability represents a critical sql injection flaw in ncvav virtual pbx software that stems from inadequate input sanitization within sql command execution contexts. The weakness allows malicious actors to inject arbitrary sql code through specially crafted inputs that are not properly escaped or validated before being incorporated into database queries. Such improper neutralization of special sql elements creates a pathway for unauthorized data access, modification, or deletion within the affected system's database infrastructure. The vulnerability specifically impacts versions of the virtual pbx software released prior to the specified date of 09.07.2025, indicating that subsequent releases likely incorporated fixes to address this security gap.
The technical exploitation of this vulnerability follows standard sql injection attack patterns where attacker-controlled input is seamlessly integrated into sql statements without proper sanitization measures. This flaw enables attackers to manipulate database queries by inserting malicious sql code that can bypass authentication mechanisms, extract sensitive information, modify database records, or even execute administrative commands on the underlying database system. The vulnerability's classification aligns with cwe-89 which specifically addresses sql injection weaknesses in software applications. Attackers can leverage this weakness to perform unauthorized database operations that would normally require legitimate administrative privileges.
The operational impact of this vulnerability extends beyond simple data compromise to potentially enable complete system takeover through database-level attacks. Organizations relying on affected virtual pbx software versions face significant risks including unauthorized access to call logs, user credentials, system configurations, and potentially sensitive business communications. The vulnerability creates opportunities for attackers to establish persistent access points within the network infrastructure, especially when the virtual pbx system shares database credentials with other enterprise applications. This type of attack vector also aligns with attack techniques documented in the attack framework under t1071.004 for application layer protocol manipulation and t1190 for exploitation of vulnerabilities in web applications.
Mitigation strategies should focus on immediate software updates to versions released after 09.07.2025 which contain the necessary security patches to address this vulnerability. Organizations should also implement comprehensive input validation mechanisms and parameterized queries to prevent similar issues in future deployments. Database access controls should be reviewed and hardened to limit the potential impact of successful exploitation attempts. Network segmentation and monitoring solutions should be deployed to detect anomalous database access patterns that might indicate exploitation attempts. Additionally, regular security assessments and vulnerability scanning should be conducted to identify and remediate similar weaknesses across the entire enterprise infrastructure, following industry best practices outlined in standards such as iso 27001 and nist cybersecurity framework.