CVE-2024-47586
📋 TL;DR
CVE-2024-47586 is a null pointer dereference vulnerability in SAP NetWeaver Application Server for ABAP and ABAP Platform that allows unauthenticated attackers to crash the system via a malicious HTTP request. This causes temporary denial of service through system reboots, affecting availability only. All organizations running vulnerable SAP ABAP systems are affected.
💻 Affected Systems
- SAP NetWeaver Application Server for ABAP
- SAP ABAP Platform
⚠️ 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 outage causing extended downtime and service disruption until manual intervention restores the system.
Likely Case
Intermittent system crashes and reboots leading to service interruptions and potential data loss from incomplete transactions.
If Mitigated
Minimal impact with proper network segmentation and web application firewalls blocking malicious requests.
🎯 Exploit Status
Simple HTTP request construction makes exploitation straightforward for attackers with network access.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply SAP Security Note 3504390
Vendor Advisory: https://me.sap.com/notes/3504390
Restart Required: Yes
Instructions:
1. Download SAP Note 3504390 from SAP Support Portal. 2. Apply the kernel patch using SAP standard patching procedures. 3. Restart the affected SAP instances. 4. Verify patch application through system logs.
🔧 Temporary Workarounds
Network Segmentation
allRestrict access to SAP HTTP services to trusted networks only
Web Application Firewall
allDeploy WAF with SAP-specific rules to filter malicious HTTP requests
🧯 If You Can't Patch
- Implement strict network access controls to limit HTTP access to SAP systems
- Deploy intrusion prevention systems with SAP-specific signatures to detect and block exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Check if SAP kernel version is affected by comparing against patched versions in SAP Note 3504390
Check Version:
Execute 'disp+work' command in SAP system or check kernel version in transaction SM51
Verify Fix Applied:
Verify SAP Note 3504390 is applied using transaction SNOTE and check system logs for successful patch application
📡 Detection & Monitoring
Log Indicators:
- System crash dumps
- Kernel panic messages
- Unexpected system restarts in SAP logs
Network Indicators:
- Malformed HTTP requests to SAP HTTP ports
- Unusual traffic patterns to SAP services
SIEM Query:
source="sap_system_logs" AND ("kernel panic" OR "system crash" OR "unexpected restart")