CVE-2019-18323
📋 TL;DR
This vulnerability in Siemens SPPA-T3000 MS3000 Migration Server allows attackers with network access to port 5010/tcp to cause denial-of-service and potentially execute arbitrary code by sending specially crafted packets. It affects all versions of the MS3000 Migration Server. Attackers need network access to the target system to exploit this vulnerability.
💻 Affected Systems
- SPPA-T3000 MS3000 Migration Server
📦 What is this software?
⚠️ 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
Remote code execution leading to complete system compromise, data theft, and disruption of industrial control operations
Likely Case
Denial-of-service condition disrupting migration server functionality and potentially affecting industrial operations
If Mitigated
Limited impact if proper network segmentation and access controls prevent unauthorized access to port 5010/tcp
🎯 Exploit Status
No authentication required; attacker only needs network access to port 5010/tcp and ability to craft specific packets
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update to latest version as specified in Siemens advisory
Vendor Advisory: https://cert-portal.siemens.com/productcert/pdf/ssa-451445.pdf
Restart Required: Yes
Instructions:
1. Download latest patch from Siemens support portal
2. Apply patch following Siemens installation instructions
3. Restart MS3000 Migration Server
4. Verify patch application and functionality
🔧 Temporary Workarounds
Network Segmentation
linuxRestrict network access to MS3000 Migration Server port 5010/tcp
firewall-cmd --permanent --add-rich-rule='rule family="ipv4" source address="TRUSTED_NETWORK" port protocol="tcp" port="5010" accept'
firewall-cmd --reload
Network Access Control
windowsImplement strict network access controls to limit which systems can communicate with MS3000 on port 5010
netsh advfirewall firewall add rule name="Block MS3000 Port" dir=in action=block protocol=TCP localport=5010 remoteip=any
🧯 If You Can't Patch
- Implement strict network segmentation to isolate MS3000 from untrusted networks
- Deploy intrusion detection/prevention systems to monitor and block suspicious traffic to port 5010/tcp
🔍 How to Verify
Check if Vulnerable:
Check if MS3000 Migration Server is running and accessible on port 5010/tcp from untrusted networksCheck Version:
Check Siemens SPPA-T3000 documentation for version verification commands specific to MS3000 Migration ServerVerify Fix Applied:
Verify patch version matches Siemens advisory and test that crafted packets no longer cause DoS or RCE📡 Detection & Monitoring
Log Indicators:
- Unusual connection attempts to port 5010/tcp
- MS3000 service crashes or restarts
- Abnormal packet patterns to MS3000 server
Network Indicators:
- Unusual traffic patterns to port 5010/tcp
- Crafted packets targeting MS3000 server
- Connection attempts from unexpected sources
SIEM Query:
destination_port:5010 AND (packet_size:unusual OR protocol_anomaly:true)