CVE-2026-2621
📋 TL;DR
This SQL injection vulnerability in Sciyon Koyuan Thermoelectricity Heat Network Management System 3.0 allows remote attackers to execute arbitrary SQL commands via the PGUID parameter in /SISReport/WebReport20/Proxy/AsyncTreeProxy.aspx. Organizations using this specific energy management software are affected, particularly those with internet-facing installations.
💻 Affected Systems
- Sciyon Koyuan Thermoelectricity Heat Network Management System
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, data manipulation, and potential system takeover via SQL injection leading to remote code execution.
Likely Case
Unauthorized database access leading to sensitive information disclosure, data manipulation, and potential privilege escalation within the application.
If Mitigated
Limited impact with proper input validation, parameterized queries, and network segmentation preventing exploitation attempts.
🎯 Exploit Status
Public exploit details available on GitHub, remote exploitation possible without authentication, making this easily weaponizable.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Contact vendor Sciyon for updates. Consider implementing workarounds or replacing the system.
🔧 Temporary Workarounds
Web Application Firewall (WAF) Rules
allImplement WAF rules to block SQL injection patterns targeting the PGUID parameter in the vulnerable endpoint.
Input Validation Filter
windowsAdd server-side input validation to sanitize PGUID parameter before processing.
🧯 If You Can't Patch
- Network segmentation: Isolate the system from internet access and restrict internal access to authorized users only.
- Implement strict monitoring and alerting for SQL injection attempts targeting the vulnerable endpoint.
🔍 How to Verify
Check if Vulnerable:
Test the endpoint /SISReport/WebReport20/Proxy/AsyncTreeProxy.aspx with SQL injection payloads in the PGUID parameter and observe database errors or unexpected responses.Check Version:
Check system documentation or contact vendor to confirm version 3.0 is installed.Verify Fix Applied:
Verify that SQL injection attempts no longer succeed and that input validation is properly implemented for the PGUID parameter.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in application logs
- Multiple failed login attempts or parameter manipulation in web server logs
- Database error messages containing SQL syntax
Network Indicators:
- HTTP requests to /SISReport/WebReport20/Proxy/AsyncTreeProxy.aspx with SQL injection patterns in parameters
- Unusual database connection patterns from web server
SIEM Query:
source="web_server" AND uri="/SISReport/WebReport20/Proxy/AsyncTreeProxy.aspx" AND (param="PGUID" AND value CONTAINS "' OR " OR "--" OR ";")