CVE-2025-40711 in Gateway
Summary
by MITRE • 07/08/2025
SQL injection vulnerability in versions prior to 4.7.0 of Quiter Gateway by Quiter. This vulnerability allows an attacker to retrieve, create, update and delete databases through the id_concesion parameter in /FacturaE/VerFacturaPDF.
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Analysis
by VulDB Data Team • 10/16/2025
The SQL injection vulnerability identified as CVE-2025-40711 affects Quiter Gateway versions prior to 4.7.0 and represents a critical security flaw that undermines the integrity and confidentiality of database operations. This vulnerability specifically targets the id_concesion parameter within the /FacturaE/VerFacturaPDF endpoint, creating an avenue for malicious actors to exploit the application's database interaction mechanisms. The flaw stems from insufficient input validation and sanitization processes that fail to properly escape or parameterize user-supplied data before incorporating it into database queries. This weakness allows attackers to inject malicious SQL commands that bypass normal authentication and authorization controls, effectively granting unauthorized access to the underlying database infrastructure.
The technical implementation of this vulnerability aligns with CWE-89, which categorizes SQL injection as a direct result of inadequate input handling in database operations. The attack vector specifically exploits the parameterized query construction process where the id_concesion input is directly concatenated into SQL statements without proper sanitization measures. This creates a condition where an attacker can manipulate the query execution flow by injecting SQL syntax elements such as semicolons, comments, or union statements that alter the intended database behavior. The vulnerability's impact extends beyond simple data retrieval to encompass full database manipulation capabilities including data creation, modification, and deletion operations, making it particularly dangerous for systems handling sensitive information.
From an operational standpoint, this vulnerability presents severe implications for organizations utilizing Quiter Gateway for invoice management and related business processes. The ability to perform unauthorized database operations through the VerFacturaPDF endpoint means that attackers could potentially access confidential customer data, manipulate financial records, or disrupt business continuity by deleting critical information. The attack surface is particularly concerning given that invoice processing systems typically contain sensitive financial and personal data that would be highly valuable to threat actors. The vulnerability's presence in the PDF generation endpoint suggests that even routine document access functions can serve as entry points for broader system compromise, potentially enabling lateral movement within network environments where the gateway operates.
Organizations should implement immediate mitigations including mandatory application updates to version 4.7.0 or later, which presumably includes proper input validation and parameterized query implementations. Additional protective measures should encompass web application firewall rules specifically targeting SQL injection patterns, input sanitization at multiple layers including API endpoints, and comprehensive database access logging to detect anomalous query patterns. The vulnerability's classification aligns with ATT&CK technique T1190, which describes the exploitation of vulnerabilities in applications to gain access to database systems. Security teams should also conduct thorough penetration testing to identify similar parameter injection points throughout the application's interface and implement proper database privilege management to limit the potential impact of successful exploitation attempts.