CVE-2025-40658 in DM Corporative CMS
Summary
by MITRE • 06/10/2025
An Insecure Direct Object Reference (IDOR) vulnerability has been found in DM Corporative CMS. This vulnerability allows an attacker to access the private area setting the option parameter equal to 0, 1 or 2 in /administer/selectionnode/framesSelection.asp.
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Analysis
by VulDB Data Team • 06/10/2025
The identified vulnerability CVE-2025-40658 represents a critical Insecure Direct Object Reference flaw within the DM Corporative CMS system that fundamentally compromises the application's access control mechanisms. This vulnerability resides in the administrative interface at the specific endpoint /administer/selectionnode/framesSelection.asp where the application fails to properly validate or authenticate user requests when processing the option parameter. The flaw allows unauthenticated or unauthorized users to manipulate the parameter values to 0, 1, or 2, thereby gaining access to restricted administrative functions and private areas that should only be accessible to legitimate administrators.
The technical implementation of this vulnerability stems from the application's reliance on direct object references without adequate authorization checks. When the option parameter is set to these specific values, the system bypasses normal authentication procedures and grants access to administrative functionalities that control core system settings and user management. This represents a classic IDOR weakness classified under CWE-639 which specifically addresses cases where applications fail to verify that the user has proper authorization to access requested resources. The vulnerability demonstrates a fundamental breakdown in the principle of least privilege, where the system does not properly enforce access controls based on user roles and permissions.
The operational impact of this vulnerability extends far beyond simple unauthorized access, as it provides attackers with potential pathways to escalate privileges and compromise the entire CMS infrastructure. An attacker could manipulate the option parameter to access sensitive administrative functions including user account management, content modification capabilities, and system configuration settings. This vulnerability aligns with ATT&CK technique T1078 which covers valid accounts usage and can be leveraged to establish persistent access within the target environment. The ability to access private areas through parameter manipulation creates opportunities for data exfiltration, system compromise, and potential lateral movement within the network infrastructure.
Mitigation strategies for CVE-2025-40658 must address both immediate remediation and long-term architectural improvements to prevent similar vulnerabilities. The primary fix involves implementing robust input validation and authorization checks at the application level to ensure that all parameter values are properly authenticated before granting access to administrative functions. The system should enforce role-based access control mechanisms that verify user permissions before processing any administrative requests, regardless of parameter values. Additionally, implementing proper logging and monitoring of administrative access attempts will help detect and respond to potential exploitation attempts. Organizations should also consider implementing web application firewalls and input sanitization measures to prevent parameter manipulation attacks. The vulnerability serves as a reminder of the critical importance of proper access control implementation and the need for regular security assessments to identify and remediate similar weaknesses in application code.