dbcve.org
Viewport For Web Office PortalApplication · Siemens

CVE-2017-6869

CRITICAL · 9.8 CVSS v3.0 Published 2017-08-08
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 was discovered in Siemens ViewPort for Web Office Portal before revision number 1453 that could allow an unauthenticated remote user to upload arbitrary code and execute it with the permissions of the operating-system user running the web server by sending specially crafted network packets to port 443/TCP or port 80/TCP.

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

Unauthenticated remote attackers can upload and execute arbitrary code on systems running Siemens ViewPort for Web Office Portal versions prior to revision 1453. The vulnerability is exploitable by sending specially crafted network packets to HTTP (80/TCP) or HTTPS (443/TCP) ports, allowing execution with the privileges of the operating-system user running the web server.

MitigationUpgrade to Siemens ViewPort for Web Office Portal revision 1453 or later. If immediate patching is not feasible, restrict network access to ports 80/443 to trusted sources only and deploy WAF rules to detect and block malicious file upload 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
Viewport For Web Office PortalApplication
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
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/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 Siemens ViewPort for Web Office Portal is installed
    Check for the presence of ViewPort web application files in the installation directory, or look for the web service responding on ports 80/TCP or 443/TCP
    Affected if The product is installed and running
  2. Determine the installed version or revision number
    Locate the version information in the product's about page, configuration files, or by querying the web service headers. Compare against revision 1453 as the fixed baseline.
    Affected if The installed version is any version prior to revision 1453, or if the revision cannot be determined but the product is present
  3. Verify the HTTP/HTTPS service is exposed
    Confirm that the web server is listening on ports 80/TCP (HTTP) or 443/TCP (HTTPS) and accessible over the network
    Affected if The service is exposed on these ports and responds to requests
  4. Check for unauthenticated file upload access
    If possible, attempt to access the file upload endpoint without credentials to confirm the vulnerability is reachable, or review access control configuration for the upload functionality
    Affected if Unauthenticated access to file upload features is possible

A user is affected if Siemens ViewPort for Web Office Portal is installed with any version prior to revision 1453 and the HTTP/HTTPS service is exposed 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

Upgrade to Siemens ViewPort for Web Office Portal revision 1453 or later. If immediate patching is not feasible, restrict network access to ports 80/443 to trusted sources only and deploy WAF rules to detect and block malicious file upload attempts.

Recommended fix Moderate confidence

Revision 1453 or later of Siemens ViewPort for Web Office Portal

  1. 1. Identify the current installed revision of Siemens ViewPort for Web Office Portal by reviewing the system documentation or consulting the Siemens product itself
  2. 2. If the current revision is below 1453, obtain the fixed revision 1453 or later from Siemens through their official support channels (www.siemens.com or their customer support portal)
  3. 3. Review the upgrade documentation provided by Siemens to understand any prerequisites or procedures
  4. 4. Perform a backup of the current configuration and any critical data
  5. 5. Schedule a maintenance window considering this is a critical authentication bypass vulnerability
  6. 6. Apply the upgrade to revision 1453 or later following Siemens' official procedures
  7. 7. Verify the upgrade was successful and the service is running properly
  8. 8. Confirm the vulnerability is remediated by testing that unauthenticated access is no longer possible
Caveat Review Siemens release notes for revision 1453 for any configuration or compatibility changes before upgrading

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

Fix this in Viewport For Web Office Portal Scoped from the published advisory
  • Consultation4.0 h
  • Implementation4.0 h
  • Testing8.0 h
  • Review / QA3.0 h
19.0 hours of engineering $3,260
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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-2017-6869 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