dbcve.org
Sppa T3000 Application ServerApplication · Siemens

CVE-2019-18316

CRITICAL · 9.8 CVSS v3.1 Published 2019-12-12
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
A vulnerability has been identified in SPPA-T3000 Application Server (All versions < Service Pack R8.2 SP2). An attacker with network access to the Application Server could gain remote code execution by sending specifically crafted packets to 1099/tcp. Please note that an attacker needs to have network access to the Application Server in order to exploit this vulnerability. At the time of advisory publication no public exploitation of this security vulnerability was known.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

Remote code execution vulnerability in Siemens SPPA-T3000 Application Server affecting versions prior to Service Pack R8.2 SP2. An attacker with network access to port 1099/tcp (Java RMI registry) can send specially crafted packets to achieve arbitrary code execution on the affected system.

MitigationApply Service Pack R8.2 SP2 or later to remediate. As a compensating control, restrict network access to port 1099/tcp and implement network segmentation to limit exposure of the Application Server.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Sppa T3000 Application ServerApplication
Affected:< r8.2= r8.2

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify SPPA-T3000 Application Server version
    Locate the installed version through system information, About dialog, or version configuration files typically found in the application installation directory
    Affected if Installed version is earlier than r8.2 or exactly equals r8.2
  2. Verify port 1099/tcp listener status
    Run netstat or a port scanning tool to determine if port 1099 is listening on the server (e.g., netstat -an | grep 1099 or nmap -p 1099 target)
    Affected if Port 1099/tcp is open and listening
  3. Confirm Java RMI service is active
    Check if the Java RMI Registry service is running on the system, typically visible in process lists or service management tools
    Affected if Java RMI Registry service is running and bound to port 1099
  4. Assess network accessibility of port 1099
    Determine if port 1099 is reachable from untrusted network segments by reviewing firewall rules, ACLs, or performing external port scans from outside the trusted network
    Affected if Port 1099 is accessible from network segments that contain untrusted or attacker-controlled systems

The environment is affected if the SPPA-T3000 Application Server version is r8.2 or earlier AND port 1099/tcp (Java RMI) is exposed to an attacker on the network.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply Service Pack R8.2 SP2 or later to remediate. As a compensating control, restrict network access to port 1099/tcp and implement network segmentation to limit exposure of the Application Server.

Recommended fix High confidence

Service Pack R8.2 SP2 (or later)

  1. Verify current installed version of SPPA-T3000 Application Server by checking system documentation or version information
  2. Confirm network accessibility of port 1099/tcp and restrict access if possible as an interim measure
  3. Obtain the Service Pack R8.2 SP2 update from Siemens via official channels (cert-portal.siemens.com or Siemens customer support)
  4. Review release notes and upgrade documentation for SPPA-T3000 Application Server
  5. Execute the upgrade process following Siemens-provided installation instructions
  6. After upgrade, verify the application server is running correctly and the vulnerability is resolved
  7. Validate that network access controls remain in place for port 1099/tcp
Caveat Review Siemens release notes for SP8.2 SP2 for any compatibility or configuration changes; test in staging environment before production deployment

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Sppa T3000 Application Server Scoped from the published advisory
  • Consultation8.0 h
  • Implementation12.0 h
  • Testing16.0 h
  • Review / QA8.0 h
44.0 hours of engineering $7,600
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2019-18316 in production — separate from our analysis above.

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What this is

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What belongs here
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  • Version or environment caveats, and links to real fixes
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