CVE-2025-23188
📋 TL;DR
An authenticated low-privilege user can exploit a missing authorization check in the IBS module of FS-RBD to perform unauthorized actions beyond their intended permissions. This vulnerability affects integrity but not confidentiality or availability. SAP systems using the vulnerable FS-RBD component are affected.
💻 Affected Systems
- SAP FS-RBD
⚠️ 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
An authenticated malicious insider could modify data, change configurations, or perform administrative actions they shouldn't have access to, potentially disrupting business processes.
Likely Case
An authenticated user accidentally or intentionally performs actions outside their normal role scope, leading to data integrity issues or unauthorized changes.
If Mitigated
With proper access controls and monitoring, impact is limited to minor unauthorized actions that can be detected and rolled back.
🎯 Exploit Status
Exploitation requires authenticated access but minimal technical skill once authenticated
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check SAP Note 3557131 for specific patch versions
Vendor Advisory: https://me.sap.com/notes/3557131
Restart Required: Yes
Instructions:
1. Review SAP Note 3557131 for your specific SAP version
2. Apply the security patch from SAP Support Portal
3. Restart affected SAP services
4. Verify the patch is applied correctly
🔧 Temporary Workarounds
Restrict User Privileges
allApply principle of least privilege to limit what authenticated users can access
Monitor IBS Module Access
allImplement enhanced logging and monitoring for the vulnerable IBS module
🧯 If You Can't Patch
- Implement strict access controls and role-based permissions
- Enable detailed audit logging for all IBS module activities and review regularly
🔍 How to Verify
Check if Vulnerable:
Check SAP Note 3557131 against your SAP FS-RBD version and configurationCheck Version:
SAP transaction SPAM or SAINT to check applied support packagesVerify Fix Applied:
Verify patch application through SAP support packages and confirm version is updated beyond vulnerable range📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to IBS module functions
- User performing actions outside their normal role patterns
- Access to administrative functions by non-admin users
Network Indicators:
- Unusual authentication patterns to SAP FS-RBD services
- Requests to IBS module endpoints from unexpected user accounts
SIEM Query:
source="sap_audit_log" AND (module="IBS" OR component="FS-RBD") AND action="*" | stats count by user, action