Sppa T3000 Application ServerApplication · Siemens

CVE-2019-18315

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 8888/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 · high confidence

A critical remote code execution vulnerability in Siemens SPPA-T3000 Application Server allows an attacker with network access to send specially crafted packets to port 8888/tcp, achieving arbitrary code execution on the target system. All versions prior to Service Pack R8.2 SP2 are affected.

MitigationApply Siemens Service Pack R8.2 SP2 or later to the SPPA-T3000 Application Server. Additionally, implement network segmentation and firewall rules to restrict unauthorized access to port 8888/tcp from untrusted networks.

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 if SPPA-T3000 Application Server is installed
    Check the system for Siemens SPPA-T3000 Application Server software. On Windows systems, look in Program Files for 'Siemens' folder containing SPPA-T3000. On Linux, check for /opt/siemens/sppa-t3000 or similar installation directories. Also check Windows Services or Linux services for 'SPPA' or 'ApplicationServer' entries.
    Affected if The SPPA-T3000 Application Server software is present on the system
  2. Determine the installed version of SPPA-T3000
    Locate the version information. Check the software installation directory for a version file, or look in the Windows Registry under HKLM\SOFTWARE\Siemens\SPPA-T3000 for a Version or BuildNumber entry. Also check any README, version.txt, or release notes files in the installation directory.
    Affected if The installed version is any version prior to R8.2, or exactly R8.2 (all versions except R8.2 SP2 and later)
  3. Check if port 8888/tcp is listening
    Run 'netstat -an | findstr 8888' on Windows or 'netstat -an | grep 8888' on Linux to see if port 8888 is in LISTENING state. Alternatively, use 'nmap -p 8888 localhost' or 'Test-NetConnection -Port 8888 localhost' (PowerShell) to test local port availability.
    Affected if Port 8888/tcp is open and listening on the network interface
  4. Verify network exposure of port 8888
    Check firewall rules or network configuration to determine if port 8888 is accessible from network interfaces other than localhost. On Windows, run 'netsh advfirewall firewall show rule name=all' and look for rules involving port 8888. On Linux, check iptables rules with 'iptables -L' or 'ufw status'.
    Affected if Port 8888/tcp is accessible from network addresses other than 127.0.0.1 or is not blocked by firewall rules

If the SPPA-T3000 Application Server is installed and the version is prior to R8.2 SP2 (or exactly R8.2) with port 8888/tcp exposed on the network, the environment is affected by this CVE.

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 Siemens Service Pack R8.2 SP2 or later to the SPPA-T3000 Application Server. Additionally, implement network segmentation and firewall rules to restrict unauthorized access to port 8888/tcp from untrusted networks.

Recommended fix High confidence

Service Pack R8.2 SP2 or later

  1. Upgrade SPPA-T3000 Application Server to Service Pack R8.2 SP2 or later
  2. After upgrade, verify the Application Server is running version R8.2 SP2 or higher
  3. Confirm port 8888/tcp access controls are appropriately configured to restrict network access to trusted systems only
  4. Restart the Application Server services as needed following the upgrade

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
  • Implementation16.0 h
  • Testing24.0 h
  • Review / QA12.0 h
60.0 hours of engineering $10,240
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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-2019-18315 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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