CVE-2025-42976
📋 TL;DR
CVE-2025-42976 is a memory corruption vulnerability in SAP NetWeaver Application Server ABAP's BIC Document component that allows authenticated attackers to crash the system or read sensitive memory contents. This affects organizations running vulnerable SAP NetWeaver ABAP systems with BIC Document functionality. Successful exploitation can lead to denial of service and information disclosure.
💻 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
Complete system unavailability through repeated crashes combined with sensitive information disclosure from memory (potentially including credentials, business data, or session information).
Likely Case
Service disruption through targeted crashes and limited information disclosure from application memory.
If Mitigated
Minimal impact if proper network segmentation and authentication controls prevent unauthorized access to vulnerable endpoints.
🎯 Exploit Status
Requires authenticated access and specific knowledge of BIC Document endpoints. Memory corruption exploitation typically requires more skill than simple injection attacks.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Refer to SAP Note 3611184 for specific patch versions
Vendor Advisory: https://me.sap.com/notes/3611184
Restart Required: Yes
Instructions:
1. Review SAP Note 3611184 for your specific SAP version. 2. Apply the relevant SAP Security Note or kernel patch. 3. Restart the SAP system. 4. Verify the patch is applied correctly.
🔧 Temporary Workarounds
Restrict BIC Document Access
allLimit access to BIC Document functionality to only authorized users through SAP authorization profiles.
SAP transaction code: PFCG to modify authorization profiles
Network Segmentation
allIsolate SAP systems from untrusted networks and implement strict firewall rules for SAP ports.
🧯 If You Can't Patch
- Implement strict authentication and authorization controls to limit who can access BIC Document functionality.
- Monitor system logs for abnormal BIC Document requests and implement rate limiting on vulnerable endpoints.
🔍 How to Verify
Check if Vulnerable:
Check if your SAP system version matches those listed in SAP Note 3611184 and if BIC Document functionality is enabled.Check Version:
SAP transaction code: SM51 or SM50 to check kernel and system versionVerify Fix Applied:
Verify that SAP Note 3611184 is applied using transaction SNOTE or by checking the applied notes list.📡 Detection & Monitoring
Log Indicators:
- Multiple BIC Document-related errors or crashes in SAP system logs
- Unusual patterns of BIC Document requests from single users
Network Indicators:
- Abnormal volume of requests to BIC Document endpoints
- Repeated connection attempts followed by service crashes
SIEM Query:
source="sap_logs" AND (message="*BIC*" OR message="*memory*" OR message="*crash*") AND severity=ERROR