CVE-2025-42883
📋 TL;DR
SAP NetWeaver Application Server for ABAP's Migration Workbench fails to scan uploaded files for malware when an administrator uploads them. This allows privileged attackers to upload malicious files, compromising system integrity. Only SAP systems using the affected Migration Workbench component are vulnerable.
💻 Affected Systems
- SAP NetWeaver Application Server for 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
Administrator uploads malware that compromises the SAP system, potentially leading to data theft, system disruption, or lateral movement within the network.
Likely Case
Malicious administrator uploads malware that remains undetected, potentially creating backdoors or executing unauthorized code within the SAP environment.
If Mitigated
With proper administrative controls and monitoring, the risk is limited to authorized administrators who would be detected if they abused their privileges.
🎯 Exploit Status
Exploitation requires administrative access to the Migration Workbench, making it accessible only to authorized users with elevated privileges.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check SAP Note 3634053 for specific patch details
Vendor Advisory: https://me.sap.com/notes/3634053
Restart Required: Yes
Instructions:
1. Review SAP Note 3634053. 2. Apply the relevant SAP Security Patch Day updates. 3. Restart the SAP system as required.
🔧 Temporary Workarounds
Restrict Administrative Access
allLimit administrative privileges to Migration Workbench to only trusted users.
Implement File Upload Monitoring
allMonitor file uploads in Migration Workbench logs for suspicious activity.
🧯 If You Can't Patch
- Enforce strict access controls to limit Migration Workbench administrative privileges.
- Implement additional malware scanning for uploaded files using external tools.
🔍 How to Verify
Check if Vulnerable:
Check if your SAP NetWeaver ABAP system uses Migration Workbench and review SAP Note 3634053 for affected versions.Check Version:
Use SAP transaction SM51 or check system info in SAP GUI.Verify Fix Applied:
Verify that SAP Security Patch Day updates have been applied and confirm with SAP Note 3634053.📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads via Migration Workbench by administrators
- Lack of malware scan logs for uploaded files
Network Indicators:
- Unexpected outbound connections from SAP server post-file upload
SIEM Query:
source="sap_logs" AND event="file_upload" AND user_role="admin" AND scan_status="missing"