CVE-2025-4863
📋 TL;DR
This critical vulnerability in Advaya Softech GEMS ERP Portal 2.1 allows remote attackers to execute SQL injection attacks via the userId parameter in the /studentLogin/studentLogin.action endpoint. Successful exploitation could lead to unauthorized database access, data theft, or system compromise. All organizations using the vulnerable version are affected.
💻 Affected Systems
- Advaya Softech GEMS ERP Portal
📦 What is this software?
Gems Erp Portal by Advayasoftech
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data exfiltration, privilege escalation, and potential remote code execution on the database server.
Likely Case
Unauthorized access to student and system data, potential authentication bypass, and data manipulation.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only error messages or partial data exposure.
🎯 Exploit Status
Public proof-of-concept exploit available on GitHub demonstrates straightforward SQL injection.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Contact vendor for updates and apply workarounds immediately.
🔧 Temporary Workarounds
Web Application Firewall (WAF) Rules
allImplement WAF rules to block SQL injection patterns targeting the vulnerable endpoint.
WAF-specific configuration commands vary by vendor
Input Validation Filter
allAdd server-side input validation to sanitize userId parameter before processing.
Implementation depends on application framework and language
🧯 If You Can't Patch
- Block external access to /studentLogin/studentLogin.action endpoint at network perimeter
- Implement strict database user permissions with least privilege principle
🔍 How to Verify
Check if Vulnerable:
Test the /studentLogin/studentLogin.action endpoint with SQL injection payloads in userId parameter and observe database errors or unexpected responses.Check Version:
Check application version in admin interface or configuration files.Verify Fix Applied:
Verify that SQL injection attempts no longer produce database errors or unauthorized data access.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL syntax in userId parameter values
- Database error messages in application logs
- Multiple failed login attempts with SQL patterns
Network Indicators:
- HTTP requests to /studentLogin/studentLogin.action with SQL keywords in parameters
- Unusual database query patterns from application server
SIEM Query:
source="web_logs" AND uri="/studentLogin/studentLogin.action" AND (userId CONTAINS "UNION" OR userId CONTAINS "SELECT" OR userId CONTAINS "' OR '")🔗 References
- https://github.com/kuppamjohari/advaya-gems-sql-injection-poc
- https://github.com/kuppamjohari/advaya-gems-sql-injection-poc/blob/main/GEMS_POC.py
- https://vuldb.com/?ctiid.309405
- https://vuldb.com/?id.309405
- https://vuldb.com/?submit.575384
- https://github.com/kuppamjohari/advaya-gems-sql-injection-poc
