What’s Going On?
A critical code injection vulnerability affecting SAP S/4HANA (both Private Cloud and On-Premise) allows attackers with low-privileged credentials to inject arbitrary ABAP code via an exposed RFC function module—bypassing all authorization controls and enabling full system takeover. NVDThe Hacker NewsSecurityBridge
- CVSS Score: 9.9 (Critical) SecurityBridgeSAP Support PortalSecurity Affairs
- Active Exploitation Confirmed: SecurityBridge verified real-world abuse; attackers only need low-level user access Help Net SecuritySecurityBridgeBleepingComputer
Risks & Impact
| Risk Area | Details |
|---|---|
| System Compromise | Full SAP environment and OS control possible via injected ABAP code |
| Privileges Escalation | Attackers can create superuser accounts, steal sensitive data, or deploy ransomware The Hacker NewsSecurityBridgeSecurity Affairs |
Mitigation Steps (Act Now)
- Patch Immediately
Apply SAP Security Notes 3627998 (for S/4HANA) and 3633838 if SLT/DMIS in use SAP Support PortalSecurityBridge. - Limit Exposure
Use SAP UCON and restrict exposed RFC modules and authorization objects such asS_DMIS(activity 02) SecurityBridgePathlock. - Monitor for Indicators of Compromise (IoCs)
Watch for suspicious RFC calls, unauthorized ABAP program injections, or new admin accounts Help Net SecurityDark Reading. - Strengthen Environmental Defenses
Enforce network segmentation, enable logging and backups, and deploy SAP-specific threat detection tools PathlockSAP Community.
CyberDudeBivash Ecosystem Support
- Apps & Tools: cyberdudebivash.com/apps — for rapid vulnerability scanning and SAP monitoring
- Threat Intel: cyberbivash.blogspot.com — up-to-date breach alerts and CVE breakdowns
- CMS & Configuration Security: cryptobivash.code.blog — ERP and plugin risk insights
- Playbooks & Consulting: Step-by-step incident response and SAP hardening strategies
#CyberDudeBivash #SAPSecurity #S4HANA #CVE202542957 #RCE #ABAPInjection #PatchNow #ERPDefense
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