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Sinema ServerApplication · Siemens

CVE-2014-2731

HIGH · 9.3 CVSS v2.0 Published 2014-04-19
Fix available
A fix is available. Upgrade to after 12.0 or later.
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
Multiple unspecified vulnerabilities in the integrated web server in Siemens SINEMA Server before 12 SP1 allow remote attackers to execute arbitrary code via HTTP traffic to port (1) 4999 or (2) 80.

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

Multiple unspecified vulnerabilities in the integrated web server of Siemens SINEMA Server before version 12 SP1 allow remote attackers to execute arbitrary code via crafted HTTP traffic to port 4999 or port 80. The vulnerabilities are exploitable remotely without authentication, which combined with the RCE impact results in the critical CVSS score.

MitigationUpgrade SINEMA Server to version 12 SP1 or later to address these vulnerabilities. If immediate patching is not possible, restrict network access to ports 4999 and 80 using firewalls or network segmentation, and monitor for unauthorized access attempts.

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
Sinema ServerApplication
Affected:<= 12.0

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
M
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:M/Au:N/C:C/I:C/A:C

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. Confirm SINEMA Server is installed
    Check installed programs or use system inventory tools to identify if Siemens SINEMA Server is present on the system
    Affected if SINEMA Server is installed and version is 12.0 or lower
  2. Determine the installed version
    Locate the SINEMA Server version information through the application, Windows Programs and Features, or version logs. Compare against the affected range (versions before 12 SP1)
    Affected if Installed version is 12.0 or any version below 12 SP1
  3. Identify if the integrated web server is active
    Check if ports 4999 or 80 are listening on the system using netstat, PowerShell Get-NetTCPConnection, or port scanning tools
    Affected if Ports 4999 or 80 are open and bound to the SINEMA Server web service
  4. Assess network exposure
    Review firewall rules, network configuration, or perform an external port scan to determine if the web server ports are accessible from untrusted networks
    Affected if Ports 4999 or 80 are exposed to untrusted or public network segments without filtering

The environment is affected if Siemens SINEMA Server version 12.0 or lower is installed with the integrated web server (ports 4999 or 80) accessible to network attackers.

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
Upgrade available Upgrade to a release after 12.0
Interim mitigation

Upgrade SINEMA Server to version 12 SP1 or later to address these vulnerabilities. If immediate patching is not possible, restrict network access to ports 4999 and 80 using firewalls or network segmentation, and monitor for unauthorized access attempts.

Recommended fix High confidence

SINEMA Server 12 SP1

  1. 1. Back up the current Siemens SINEMA Server configuration and database.
  2. 2. Ensure the system is disconnected from the production network or properly segmented before performing upgrades.
  3. 3. Download SINEMA Server version 12 SP1 or later from the Siemens official download portal (siemens.com) or through your authorized support channel.
  4. 4. Review the SINEMA Server upgrade documentation for version 12.0 to 12 SP1 migration requirements.
  5. 5. Stop all SINEMA Server services before initiating the upgrade.
  6. 6. Install SINEMA Server 12 SP1 using the official installer.
  7. 7. After installation, restore the backed-up configuration and verify service functionality.
  8. 8. Confirm that the web server ports (4999 and 80) are properly secured and accessible only as intended.
Caveat Industrial control system upgrades may require compatibility verification with connected devices and downstream systems; ensure backup and rollback procedures are in place

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

Fix this in Sinema Server Scoped from the published advisory
  • Consultation6.0 h
  • Implementation12.0 h
  • Testing10.0 h
  • Review / QA4.0 h
32.0 hours of engineering $5,580
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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-2014-2731 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
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
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  • No spam, self-promotion, credentials, or personal data