CVE-2025-65784
📋 TL;DR
This vulnerability allows authenticated attackers with low-level privileges in Hubert Imoveis e Administracao Ltda Hub v2.0 to access other users' information through crafted API requests. It affects all users of the software who have implemented version 1.27.3 without proper access controls.
💻 Affected Systems
- Hubert Imoveis e Administracao Ltda Hub v2.0
📦 What is this software?
Hub by Hubert
⚠️ Risk & Real-World Impact
Worst Case
Attackers could exfiltrate sensitive user data including personal information, financial details, or proprietary business data, leading to data breaches, regulatory violations, and reputational damage.
Likely Case
Low-privilege users accessing information of other users within the same organization, potentially exposing internal data and violating privacy policies.
If Mitigated
With proper access controls and monitoring, impact is limited to attempted unauthorized access that can be detected and blocked.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward via API manipulation as documented in the GitHub repository.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Unknown
Restart Required: No
Instructions:
Check vendor website for security updates. If no patch is available, implement workarounds and monitor for official fixes.
🔧 Temporary Workarounds
Implement API Access Controls
allAdd proper authorization checks to API endpoints to verify users can only access their own data.
Network Segmentation
allRestrict access to the Hub application to only trusted networks and implement API gateway with rate limiting.
🧯 If You Can't Patch
- Implement strict network access controls to limit who can reach the Hub application.
- Deploy a web application firewall (WAF) with rules to detect and block suspicious API requests.
🔍 How to Verify
Check if Vulnerable:
Test authenticated API requests with low-privilege accounts attempting to access other users' endpoints. Monitor for successful unauthorized data retrieval.Check Version:
Check application version in admin panel or configuration files. For web interface, inspect page source or response headers.Verify Fix Applied:
After implementing controls, repeat the same tests to ensure unauthorized access is blocked and proper error messages are returned.📡 Detection & Monitoring
Log Indicators:
- Multiple failed authorization attempts from single user accounts
- API requests accessing user endpoints with mismatched user IDs
- Unusual data retrieval patterns from low-privilege accounts
Network Indicators:
- Spike in API requests to user data endpoints
- Requests with manipulated user ID parameters in URLs or payloads
SIEM Query:
source="hub_app" AND (event_type="api_request" AND user_id!=requested_user_id) OR (status="403" AND count>10)