CVE-2015-6022
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 · uneditedUnrestricted file upload vulnerability in QNAP Signage Station before 2.0.1 allows remote authenticated users to execute arbitrary code by uploading an executable file, and then accessing this file via an unspecified URL.
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 confidenceQNAP Signage Station versions before 2.0.1 contain an unrestricted file upload vulnerability that allows authenticated remote users to upload executable files (such as PHP, JSP, or other script files) to the server. Once uploaded, accessing these files via a web URL enables arbitrary code execution on the underlying system.
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<= 2.0CVSS 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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.0/AV:N/AC:L/PR:L/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 checksWork through these to decide whether this CVE applies to you.
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Confirm QNAP Signage Station is installedIdentify if the QNAP Signage Station web application is running on the target system by accessing the web interface or checking for the service processAffected if Signage Station is not installed, the system is not affected by this CVE
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Check installed versionAccess the Signage Station admin interface and locate the version information (typically found in About or System Settings), or query the application directly for its version numberAffected if The installed version is 2.0 or earlier (versions before 2.0.1 are vulnerable)
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Verify authentication is enabledConfirm that user authentication is configured and accessible for the Signage Station application - check if login page is accessible and user accounts existAffected if The application allows remote authentication, enabling authenticated users to access the upload functionality
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Confirm file upload feature is accessibleCheck if the file/media upload functionality is available to authenticated users within the Signage Station admin interfaceAffected if File upload capability is enabled and accessible to authenticated users, allowing upload of executable script files
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Check web directory accessibilityVerify that uploaded files are stored in a web-accessible directory and can be reached via HTTP/HTTPS URLAffected if Uploaded files can be accessed via web URL, allowing execution of malicious scripts
The system is affected if QNAP Signage Station version 2.0 or earlier is installed, authentication is enabled, and the file upload feature is accessible to authenticated users with web-accessible storage.
Generated from the published advisory. Verify against your own configuration.
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 dataUpgrade to QNAP Signage Station version 2.0.1 or later. Until patched, disable the file upload functionality or restrict authentication to trusted users only, and configure the web server to prevent execution of uploaded files.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2015-6022 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2015-6022 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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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.
- 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