CVE-2024-50693 in iSolarCloud App
Summary
by MITRE • 02/26/2025
SunGrow iSolarCloud before the October 31, 2024 remediation is vulnerable to insecure direct object references (IDOR) via the userService API model.
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Analysis
by VulDB Data Team • 06/01/2025
The SunGrow iSolarCloud platform presents a critical security vulnerability through its userService API model that enables insecure direct object references. This vulnerability allows authenticated users to access data belonging to other users by manipulating object identifiers within API requests. The flaw exists in the application's authorization mechanisms where proper access controls are not enforced when processing user-related requests through the userService endpoint. This type of vulnerability falls under the CWE-639 category, which specifically addresses authorization flaws that permit unauthorized access to resources. The vulnerability affects all versions of the iSolarCloud platform prior to the October 31, 2024 security patch, leaving a significant window of exposure for potential attackers.
The technical implementation of this IDOR vulnerability stems from the application's failure to validate whether the authenticated user has legitimate authorization to access specific user data objects. When users make requests to the userService API, the system accepts object references directly from the request parameters without verifying that the requesting user possesses proper permissions to access those particular resources. This allows an attacker to enumerate user accounts, access personal information, view energy consumption data from other users, and potentially escalate privileges through manipulation of user identifiers. The vulnerability operates at the application layer and requires minimal privileges to exploit, as it only requires authentication to the platform to begin the attack. This weakness aligns with ATT&CK technique T1078 which covers legitimate credentials and access to systems through unauthorized use of valid accounts.
The operational impact of this vulnerability extends beyond simple data exposure, potentially enabling comprehensive user account compromise and data theft across the solar energy monitoring platform. Attackers could access sensitive personal information including user profiles, energy usage patterns, and potentially financial data associated with solar installations. The exposure affects the platform's integrity and confidentiality, as unauthorized access to user data violates privacy expectations and could lead to identity theft or targeted attacks against users. Organizations relying on iSolarCloud for solar energy management face significant risk of data breaches that could compromise user trust and potentially violate data protection regulations such as GDPR or CCPA. The vulnerability also creates opportunities for further attacks as compromised user data could be used to gain additional system access or to conduct social engineering operations.
Mitigation strategies for this vulnerability require immediate implementation of proper access control validation mechanisms throughout the userService API. Organizations should implement robust input validation that checks user permissions before processing object references and ensure that all API endpoints enforce strict authorization checks. The remediation should include implementing proper object-level access controls that verify the requesting user's relationship to the target resource, using techniques such as role-based access control or attribute-based access control. Additionally, the platform should implement request parameter sanitization and logging of access attempts to detect potential exploitation attempts. Security teams should conduct comprehensive code reviews to identify similar patterns across other API endpoints and implement automated testing procedures to prevent future occurrences of IDOR vulnerabilities. The October 31, 2024 patch should include enhanced monitoring capabilities to detect unauthorized access patterns and ensure that proper audit trails are maintained for all user data access operations.