CVE-2019-18325

9.8 CRITICAL

📋 TL;DR

This vulnerability in 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. Industrial control system operators using this Siemens product are at risk.

💻 Affected Systems

Products:
  • SPPA-T3000 MS3000 Migration Server
Versions: All versions
Operating Systems: Not specified in advisory
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability exists in default configuration; 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, disruption of industrial processes, and potential safety incidents.

🟠

Likely Case

Denial-of-service causing service disruption and potential industrial process interruption.

🟢

If Mitigated

Limited impact if network segmentation prevents access to port 5010/tcp from untrusted networks.

🌐 Internet-Facing: HIGH if MS3000 servers are exposed to the internet without proper segmentation.
🏢 Internal Only: MEDIUM as attackers would need internal network access, but industrial networks often have less security monitoring.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

No authentication required; attacker only needs network access to port 5010/tcp. No public exploitation known at advisory publication.

🛠️ 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. Review Siemens advisory SSA-451445. 2. Apply the recommended update from Siemens. 3. Restart the MS3000 Migration Server. 4. Verify the update was successful.

🔧 Temporary Workarounds

Network Segmentation

all

Restrict network access to port 5010/tcp to only trusted systems using firewall rules.

# Example firewall rule (adjust for your environment):
# iptables -A INPUT -p tcp --dport 5010 -s trusted_ip_range -j ACCEPT
# iptables -A INPUT -p tcp --dport 5010 -j DROP

Service Isolation

all

Place MS3000 servers in isolated network segments with strict access controls.

# Configure network segmentation in your environment
# Use VLANs or physical separation

🧯 If You Can't Patch

  • Implement strict network segmentation to isolate MS3000 servers from untrusted networks
  • Deploy intrusion detection systems to monitor traffic on port 5010/tcp for anomalous patterns

🔍 How to Verify

Check if Vulnerable:

Check if SPPA-T3000 MS3000 Migration Server is running and accessible on port 5010/tcp. Review system version against Siemens advisory.

Check Version:

Check version through Siemens SPPA-T3000 management interface or consult system documentation.

Verify Fix Applied:

Verify the system has been updated to the patched version and test that the service remains functional while monitoring for any anomalous traffic.

📡 Detection & Monitoring

Log Indicators:

  • Unusual connection attempts to port 5010/tcp
  • Service crashes or restarts of MS3000 Migration Server
  • Abnormal packet patterns to port 5010

Network Indicators:

  • Malformed packets sent to port 5010/tcp
  • Traffic from unexpected sources to port 5010
  • High volume of connection attempts to port 5010

SIEM Query:

destination_port:5010 AND (packet_size:unusual OR protocol_anomaly:true)

🔗 References

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