CVE-2025-42945
📋 TL;DR
SAP NetWeaver Application Server ABAP contains an HTML injection vulnerability that allows attackers to craft malicious URLs with script payloads. When victims with active sessions click these links, attackers can access or manipulate limited data. This affects organizations running vulnerable SAP NetWeaver ABAP systems.
💻 Affected Systems
- SAP NetWeaver Application Server ABAP
⚠️ 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
Attackers could steal session cookies, perform actions as authenticated users, or manipulate application data through cross-site scripting attacks.
Likely Case
Attackers would typically steal session tokens or perform limited data manipulation through reflected XSS attacks against authenticated users.
If Mitigated
With proper input validation and output encoding, the vulnerability would be prevented, though the underlying code flaw would remain.
🎯 Exploit Status
Exploitation requires social engineering to trick users into clicking malicious URLs
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply SAP Security Note 3585491
Vendor Advisory: https://me.sap.com/notes/3585491
Restart Required: No
Instructions:
1. Download SAP Note 3585491 from SAP Support Portal. 2. Apply the correction instructions in the note. 3. Test the fix in development before production deployment.
🔧 Temporary Workarounds
Implement Content Security Policy
allAdd CSP headers to restrict script execution from untrusted sources
Add 'Content-Security-Policy' header with appropriate directives
Input Validation Filtering
allImplement server-side validation to sanitize URL parameters
Implement input validation for all URL parameters in affected components
🧯 If You Can't Patch
- Implement web application firewall rules to block malicious script patterns in URLs
- Educate users about phishing risks and suspicious links
🔍 How to Verify
Check if Vulnerable:
Check if SAP Note 3585491 is applied in your system using transaction SNOTECheck Version:
Use SAP transaction SM51 to check system details and applied notesVerify Fix Applied:
Test with safe payloads to confirm HTML injection is no longer possible📡 Detection & Monitoring
Log Indicators:
- Unusual URL patterns with script tags or JavaScript in access logs
- Multiple failed attempts with malicious payloads
Network Indicators:
- HTTP requests containing suspicious script patterns in URL parameters
SIEM Query:
web.url:*<script* OR web.url:*javascript:*