CVE-2024-50689
📋 TL;DR
This vulnerability allows attackers to bypass authorization and access unauthorized organizational data through the orgService API in SunGrow iSolarCloud. Organizations using iSolarCloud versions before the October 31, 2024 remediation are affected, potentially exposing sensitive operational and customer information.
💻 Affected Systems
- SunGrow iSolarCloud
📦 What is this software?
Isolarcloud by Sungrowpower
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of organizational data including customer information, financial records, and operational details, potentially leading to data theft, service disruption, and regulatory violations.
Likely Case
Unauthorized access to organizational data, exposure of customer information, and potential manipulation of solar monitoring and management systems.
If Mitigated
Limited exposure of non-critical organizational metadata with proper access controls and API rate limiting in place.
🎯 Exploit Status
Exploitation requires some level of access to the API but does not require authentication bypass; IDOR vulnerabilities are typically easy to exploit once discovered.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version with October 31, 2024 remediation
Vendor Advisory: https://en.sungrowpower.com/security-notice-detail-2/6116
Restart Required: Yes
Instructions:
1. Contact SunGrow support for the latest patched version. 2. Backup current configuration. 3. Apply the patch/update. 4. Restart the iSolarCloud service. 5. Verify the fix by testing API authorization controls.
🔧 Temporary Workarounds
API Access Restriction
allRestrict access to orgService API endpoints using network controls or web application firewalls.
Enhanced Monitoring
allImplement detailed logging and monitoring for orgService API access patterns.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate iSolarCloud systems from untrusted networks.
- Deploy a web application firewall (WAF) with IDOR protection rules and monitor for suspicious API requests.
🔍 How to Verify
Check if Vulnerable:
Test if you can access organizational data through orgService API endpoints using unauthorized object references or parameter manipulation.Check Version:
Check iSolarCloud admin interface or contact SunGrow support for version information.Verify Fix Applied:
Verify that unauthorized access attempts to orgService API endpoints are properly rejected with appropriate authorization errors.📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to orgService API endpoints
- Multiple failed authorization attempts followed by successful access
- Access to organizational IDs outside expected ranges
Network Indicators:
- Unusual API request patterns to /orgService endpoints
- Parameter manipulation in API requests
SIEM Query:
source="iSolarCloud" AND (uri_path="/orgService" OR uri_path CONTAINS "orgService") AND (http_status=200 OR http_status=403) | stats count by src_ip, user_agent, uri_path