CVE-2019-19144 in DXi6702
Summary
by MITRE • 08/01/2025
XML External Entity Injection vulnerability in Quantum DXi6702 2.3.0.3 (11449-53631 Build304) devices via rest/Users?action=authenticate.
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Analysis
by VulDB Data Team • 08/04/2025
The XML External Entity Injection vulnerability identified as CVE-2019-19144 affects Quantum DXi6702 storage devices running firmware version 2.3.0.3 with build number 11449-53631 Build304. This vulnerability resides within the device's REST API authentication endpoint at rest/Users?action=authenticate, representing a critical security flaw that allows remote attackers to exploit the system through malformed XML input processing. The vulnerability stems from insufficient validation of external entity references in XML parsing operations, enabling malicious actors to inject external resources that can be processed by the affected system.
The technical flaw manifests when the device processes XML data containing external entity declarations during user authentication operations. This occurs because the XML parser does not properly sanitize input parameters, allowing attackers to craft malicious XML payloads that reference external resources. The vulnerability can be exploited through the REST API interface without requiring authentication, making it particularly dangerous as it can be leveraged by unauthenticated attackers to gain unauthorized access to the system. The flaw aligns with CWE-611, which specifically addresses XML external entity injection vulnerabilities, and represents a direct violation of secure coding practices for input validation and sanitization.
Operationally, this vulnerability poses significant risks to organizations utilizing Quantum DXi6702 devices in their storage infrastructure. Attackers can potentially perform server-side request forgery attacks, access sensitive system information, or even execute arbitrary code on the affected devices. The impact extends beyond simple authentication bypasses as the vulnerability may allow for data exfiltration, system compromise, and potential lateral movement within networks where these devices are deployed. The REST API interface provides an accessible attack surface that can be exploited from remote locations, making the vulnerability particularly concerning for enterprise environments that rely on these storage solutions for critical data operations.
Organizations should implement immediate mitigations including firmware updates from Quantum to address the vulnerability, network segmentation to limit access to the affected REST API endpoints, and comprehensive monitoring of authentication attempts and XML processing activities. The ATT&CK framework categorizes this vulnerability under T1190 - Exploit Public-Facing Application, emphasizing the need for proper input validation and secure API design practices. Additional protective measures include implementing web application firewalls to filter malicious XML content, disabling unnecessary API endpoints, and conducting regular security assessments of networked storage devices to identify similar vulnerabilities in other systems. The vulnerability underscores the importance of maintaining up-to-date firmware and implementing robust input validation mechanisms to prevent XML external entity injection attacks that can compromise entire storage infrastructures.