Sinage StationApplication · Qnap

CVE-2015-6036

HIGH · 7.5 CVSS v3.0 Published 2016-02-27
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
84/100
Remediation priority · High
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
QNAP Signage Station before 2.0.1 allows remote attackers to bypass authentication, and consequently upload files, via a spoofed HTTP request.

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

QNAP Signage Station versions prior to 2.0.1 contain an authentication bypass vulnerability that allows remote attackers to circumvent the authentication mechanism via spoofed HTTP requests. This enables unauthorized file uploads to the affected system.

MitigationUpgrade to QNAP Signage Station version 2.0.1 or later, and restrict network exposure of the Signage Station interface to trusted 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
Sinage StationApplication
Affected:= 2.0.0

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
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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 QNAP Signage Station installation
    Access the QNAP admin console or check for Signage Station processes on the system. The application typically runs on the QNAP NAS and is accessed via its web interface on port 8080 or custom ports.
    Affected if The system has QNAP Signage Station installed and running
  2. Check installed Signage Station version
    Log into the Signage Station web interface and navigate to the About or Settings section to view the software version. Alternatively, check the version information via QNAP's App Center or command line tools on the NAS.
    Affected if The installed version is exactly 2.0.0 (vulnerable), or if version cannot be confirmed and is suspected to be prior to 2.0.1
  3. Verify web interface network exposure
    Determine if the Signage Station web interface is accessible from untrusted networks by reviewing firewall rules, port forwarding settings, or VPN configurations that expose the service.
    Affected if The Signage Station HTTP interface is directly accessible from the internet or untrusted networks (the authentication bypass is exploited via remote HTTP requests)
  4. Check for unauthorized file upload capability
    Inspect the Signage Station configuration to confirm if the file upload functionality is enabled, as the vulnerability specifically allows unauthorized file uploads.
    Affected if File upload features are enabled and exposed via the web interface

A system is affected if QNAP Signage Station version 2.0.0 is installed and its web interface is network-accessible, allowing remote attackers to bypass authentication and upload files without credentials.

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.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Upgrade to QNAP Signage Station version 2.0.1 or later, and restrict network exposure of the Signage Station interface to trusted networks.

Fix this in Sinage Station Scoped from the published advisory
  • Consultation3.0 h
  • Implementation2.0 h
  • Testing2.0 h
  • Review / QA1.0 h
8.0 hours of engineering $1,440
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Scan for this in your stack

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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-2015-6036 in production — separate from our analysis above.

No notes yet

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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
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