CVE-2006-5352 in APEX
Summary
by MITRE
Multiple unspecified vulnerabilities in Oracle Application Express 1.5 up to 1.6.1 have unknown impact and remote attack vectors, aka Vuln# (1) APEX04, (2) APEX20, and (3) APEX21.
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Analysis
by VulDB Data Team • 04/24/2026
Oracle Application Express represents a web-based application development environment that allows users to build database-driven applications through a browser interface. The vulnerabilities identified in versions 1.5 through 1.6.1 encompass multiple attack vectors that could potentially be exploited by remote adversaries without authentication. These unspecified flaws create opportunities for attackers to manipulate the application's behavior and potentially gain unauthorized access to underlying database resources or sensitive information. The lack of specific details in the initial CVE description indicates that these vulnerabilities may involve various components within the APEX framework including but not limited to input validation mechanisms, session management systems, or authorization controls.
The technical nature of these vulnerabilities suggests they may involve weaknesses in how the application processes user input or handles authentication states. According to CWE classification systems, such unspecified vulnerabilities often relate to issues like improper input validation, weak session management, or insufficient access controls that could allow for privilege escalation or data manipulation. The remote attack vectors imply that exploitation does not require physical access to the system and could potentially be executed through web-based interfaces. These vulnerabilities represent a significant concern for organizations deploying Oracle APEX applications, as they could enable attackers to bypass security controls and access sensitive data or perform unauthorized operations on database systems.
The operational impact of these vulnerabilities extends beyond simple data exposure to encompass potential system compromise and business disruption. Organizations relying on Oracle APEX for critical applications face risks including unauthorized data access, modification of database content, and possible escalation to full system compromise. The unspecified nature of the vulnerabilities means that attackers could potentially leverage these flaws for various attack patterns including but not limited to cross-site scripting attacks, SQL injection attempts, or session hijacking operations. The attack surface is particularly concerning given that APEX applications often serve as interfaces to enterprise databases containing sensitive business information. These vulnerabilities could also potentially be chained with other exploits to create more sophisticated attack scenarios.
Mitigation strategies should focus on immediate patching and configuration hardening measures. Organizations must prioritize upgrading to supported versions of Oracle Application Express that address these vulnerabilities, as the affected versions are no longer maintained. Network segmentation and access controls should be implemented to limit exposure of APEX applications to untrusted networks. Input validation controls should be strengthened and application-level firewalls configured to monitor for suspicious patterns. The ATT&CK framework suggests that such vulnerabilities could be leveraged for initial access and persistence phases, making early detection and response critical. Regular security assessments and vulnerability scanning should be conducted to identify potential exploitation attempts, while security monitoring systems should be configured to detect anomalous user behavior patterns that may indicate exploitation of these vulnerabilities.