CVE-2019-18293

9.8 CRITICAL

📋 TL;DR

This vulnerability in Siemens SPPA-T3000 MS3000 Migration Server allows attackers with network access to send specially crafted packets to port 5010/tcp, potentially causing denial-of-service or remote code execution. All versions of the MS3000 Migration Server are affected. Attackers must have network access to the target system to exploit this vulnerability.

💻 Affected Systems

Products:
  • SPPA-T3000 MS3000 Migration Server
Versions: All versions
Operating Systems: Not specified in advisory
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability affects the MS3000 Migration Server component specifically; requires network access to port 5010/tcp

📦 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. 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, or 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 attackers from reaching the vulnerable service

🌐 Internet-Facing: HIGH - If exposed to internet, attackers can directly exploit without internal access
🏢 Internal Only: HIGH - Internal attackers or compromised systems can exploit this vulnerability

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Exploit details published on Packet Storm; no authentication required; specifically crafted packets to port 5010/tcp

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Not specified in available references

Vendor Advisory: https://cert-portal.siemens.com/productcert/pdf/ssa-451445.pdf

Restart Required: Yes

Instructions:

1. Contact Siemens for specific patch information 2. Apply security updates provided by Siemens 3. Restart affected services/systems 4. Verify patch application

🔧 Temporary Workarounds

Network Segmentation

linux

Restrict 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

Port Blocking

windows

Block external access to port 5010/tcp at network perimeter

netsh advfirewall firewall add rule name="Block MS3000 Port 5010" dir=in action=block protocol=TCP localport=5010

🧯 If You Can't Patch

  • Implement strict network segmentation to isolate MS3000 servers from untrusted networks
  • Deploy intrusion detection/prevention systems to monitor and block malicious traffic to port 5010/tcp

🔍 How to Verify

Check if Vulnerable:

Check if MS3000 Migration Server is running and listening on port 5010/tcp: netstat -an | grep 5010

Check Version:

Contact Siemens support for version verification commands specific to SPPA-T3000 systems

Verify Fix Applied:

Verify with Siemens support that appropriate patches have been applied and test with vulnerability scanning tools

📡 Detection & Monitoring

Log Indicators:

  • Unusual traffic patterns to port 5010/tcp
  • MS3000 service crashes or abnormal behavior

Network Indicators:

  • Malformed packets to port 5010/tcp
  • Traffic from unexpected sources to MS3000 servers

SIEM Query:

destination_port=5010 AND (packet_size>normal OR protocol_anomaly=true)

🔗 References

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