CVE-2025-14185
📋 TL;DR
This CVE describes a SQL injection vulnerability in Yonyou U8 Cloud enterprise software. Attackers can remotely exploit this by manipulating the 'usercode' parameter in a specific Java class file, potentially accessing or modifying database content. Organizations using affected versions of Yonyou U8 Cloud are at risk.
💻 Affected Systems
- Yonyou U8 Cloud
⚠️ 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 leading to data theft, data manipulation, or full system takeover via subsequent attacks.
Likely Case
Unauthorized data access, potential extraction of sensitive business information, or credential harvesting.
If Mitigated
Limited impact with proper input validation, WAF protection, and network segmentation in place.
🎯 Exploit Status
Exploit code is publicly available on GitHub, making attacks easier for threat actors.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available - vendor did not respond to disclosure
Restart Required: Yes
Instructions:
No official patch available. Monitor vendor channels for updates and apply immediately when released.
🔧 Temporary Workarounds
Web Application Firewall (WAF) Rules
allImplement WAF rules to block SQL injection patterns targeting the vulnerable endpoint
Input Validation Filter
allAdd input validation for the 'usercode' parameter to reject SQL special characters
🧯 If You Can't Patch
- Isolate the Yonyou U8 Cloud system from internet access using network segmentation
- Implement strict access controls and monitor all database queries from the affected application
🔍 How to Verify
Check if Vulnerable:
Check if your Yonyou U8 Cloud version is 5.0, 5.0sp, 5.1, or 5.1sp and if the file nc/pubitf/erm/mobile/appservice/AppServletService.class exists
Check Version:
Check application documentation or admin interface for version information
Verify Fix Applied:
Test the vulnerable endpoint with SQL injection payloads to confirm they are blocked or sanitized
📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts via the vulnerable endpoint
- SQL error messages in application logs
Network Indicators:
- HTTP requests containing SQL injection patterns to the AppServletService endpoint
- Unusual database connection patterns from application servers
SIEM Query:
source="web_logs" AND uri="*AppServletService*" AND (request="*SELECT*" OR request="*UNION*" OR request="*OR 1=1*")