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Scalance X 200 Series FirmwareOperating system · Siemens

CVE-2013-5944

HIGH · 10.0 CVSS v2.0 Published 2013-10-03
Fix available
A fix is available. Upgrade to after 5.0.1 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
The integrated web server on Siemens SCALANCE X-200 switches with firmware before 4.5.0 and X-200IRT switches with firmware before 5.1.0 does not properly enforce authentication requirements, which allows remote attackers to perform administrative actions via requests to the management interface.

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

The integrated web server in Siemens SCALANCE X-200 (before firmware 4.5.0) and X-200IRT (before firmware 5.1.0) switches fails to properly enforce authentication requirements, allowing unauthenticated remote attackers to execute administrative actions on the management interface.

MitigationUpgrade firmware to version 4.5.0 or later for X-200 switches, and 5.1.0 or later for X-200IRT switches. If immediate patching is not possible, restrict network access to the management interface using firewall rules or VLAN segmentation.

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
Scalance X 200 Series FirmwareOperating system
Affected:<= 4.4= 4.3<= 5.0.1
Scalance X 200Hardware / appliance
Affected:all versions
Scalance X 200irtHardware / appliance
Affected:all versions

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
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:L/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. Identify the SCALANCE model
    Locate the device label or access the management interface to confirm whether the device is an X-200 or X-200IRT series switch
    Affected if Device is a SCALANCE X-200 or X-200IRT series switch
  2. Check the firmware version
    Access the web-based management interface and navigate to the System Information or Firmware Update section to view the installed firmware version. Alternatively, use the console or SNMP to query the device for firmware information
    Affected if Firmware version is below 4.5.0 for X-200 or below 5.1.0 for X-200IRT
  3. Verify web server is enabled
    Check the device configuration for web server settings. In the web interface, go to System > HTTP Settings or similar to confirm the HTTP/HTTPS management interface is enabled
    Affected if Web-based management interface is enabled and accessible
  4. Confirm network exposure
    Determine if the management interface is reachable from untrusted networks by reviewing network topology, firewall rules, or VLAN configuration
    Affected if Management interface is accessible from external or untrusted networks without network segmentation

A user is affected if they have a SCALANCE X-200 device running firmware below 4.5.0 or an X-200IRT device below 5.1.0, with the web management interface enabled and exposed to 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
Upgrade available Upgrade to a release after 5.0.1
Interim mitigation

Upgrade firmware to version 4.5.0 or later for X-200 switches, and 5.1.0 or later for X-200IRT switches. If immediate patching is not possible, restrict network access to the management interface using firewall rules or VLAN segmentation.

Recommended fix High confidence

Scalance X-200: firmware 4.5.0 or later; Scalance X-200IRT: firmware 5.1.0 or later

  1. 1. Identify the exact Scalance X model number (X-200 or X-200IRT)
  2. 2. Access the device's web interface or CLI to determine the current firmware version
  3. 3. Navigate to Siemens support portal (siemens.com) or cert-portal.siemens.com to download the fixed firmware
  4. 4. For Scalance X-200: download firmware version 4.5.0 or later
  5. 5. For Scalance X-200IRT: download firmware version 5.1.0 or later
  6. 6. Back up the current device configuration before upgrading
  7. 7. Upload the new firmware file through the device's web-based management interface or CLI
  8. 8. Wait for the firmware upload and installation to complete; do not power off the device during this process
Caveat Review Siemens release notes for any functional changes or configuration requirements in the new firmware version before upgrading

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

Fix this in Scalance X 200 Series Firmware Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing4.0 h
  • Review / QA2.0 h
18.0 hours of engineering $3,200
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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-2013-5944 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
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data