Sppa T3000 Application ServerApplication · Siemens

CVE-2019-18314

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 objects via RMI. 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 · high confidence

A critical remote code execution vulnerability exists in Siemens SPPA-T3000 Application Server versions prior to R8.2 SP2. Attackers can achieve RCE by sending specially crafted malicious objects through Java Remote Method Invocation (RMI), likely exploiting insecure deserialization in the RMI endpoint.

MitigationUpgrade SPPA-T3000 Application Server to Service Pack R8.2 SP2 or later. As a compensating control, restrict network access to the Application Server to only trusted IP addresses and implement RMI port filtering at the network perimeter.

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 installed SPPA-T3000 Application Server version
    Locate the version information in the Siemens SPPA-T3000 management console, installation directory, or system information files. Common locations include the application server's control panel, version info in the installation folder, or via the administration web interface.
    Affected if The installed version is any version prior to R8.2 SP2, or exactly version R8.2 (without SP2). Versions R8.2 SP2 and later are not affected.
  2. Confirm Java RMI endpoint is enabled
    Check the SPPA-T3000 Application Server configuration for Java Remote Method Invocation (RMI) settings. This is typically found in the server's configuration files or the Java management console. Look for RMI registry or remote object exposure settings.
    Affected if The RMI endpoint is actively enabled and configured on the server. The vulnerability only affects systems where RMI is running and accessible.
  3. Verify RMI port accessibility
    Identify the RMI registry port (commonly port 1099 or configured custom port) and determine if it is reachable from network locations. Use netstat, nmap, or the SPPA-T3000 network configuration to confirm which ports are listening and their binding addresses (0.0.0.0 vs localhost).
    Affected if The RMI port is bound to a non-localhost address or is otherwise accessible from network segments beyond the local server. External accessibility is required for remote exploitation.
  4. Check network exposure of Application Server
    Review firewall rules, network segmentation, and access control lists surrounding the SPPA-T3000 Application Server. Determine if untrusted network sources can reach the server's RMI services.
    Affected if The Application Server or its RMI ports are accessible from untrusted network segments or the internet without filtering.

A system is affected if it runs SPPA-T3000 Application Server version R8.2 or any version prior to R8.2 SP2, has Java RMI enabled, and the RMI endpoint is network-accessible from untrusted sources.

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

Upgrade SPPA-T3000 Application Server to Service Pack R8.2 SP2 or later. As a compensating control, restrict network access to the Application Server to only trusted IP addresses and implement RMI port filtering at the network perimeter.

Recommended fix High confidence

Service Pack R8.2 SP2 or later

  1. 1. Identify the current version of SPPA-T3000 Application Server by checking the system configuration or using Siemens administrative tools
  2. 2. If the current version is earlier than Service Pack R8.2 SP2, initiate the upgrade process
  3. 3. Obtain the Service Pack R8.2 SP2 or later release from the official Siemens cert-portal or Siemens customer support渠道
  4. 4. Follow Siemens standard upgrade procedures for SPPA-T3000 Application Server, ensuring proper backup of configuration and data
  5. 5. Apply the upgrade in a test environment first if possible, following ICS upgrade best practices
  6. 6. After successful upgrade, verify the new version is R8.2 SP2 or later
  7. 7. Confirm the RMI service is functioning correctly and the vulnerability is mitigated
Caveat As with any industrial control system upgrade, test thoroughly in a non-production environment before deploying; upgrade may require system downtime and should be coordinated with operations

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 / QA6.0 h
42.0 hours of engineering $7,240
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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-2019-18314 in production — separate from our analysis above.

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

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