CVE-2025-0731
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 · uneditedAn unauthenticated remote attacker can upload a .aspx file instead of a PV system picture through the demo account. The code can only be executed in the security context of the user.
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 confidenceAn unauthenticated remote attacker can bypass file upload restrictions in the demo account functionality to upload malicious .aspx files (ASP.NET scripts) instead of the expected image files (PV system pictures). This represents a classic file upload vulnerability allowing potential code execution within the authenticated user's security context.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
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
- Low
- Availability
- Low
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
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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Identify if demo account functionality with file upload existsReview your web application for any demo, test, or sample user account features that allow file uploads, particularly for PV system pictures or similar image upload functionality.Affected if Demo account feature with file upload capability is present and accessible to unauthenticated users
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Inspect file upload validation mechanismExamine the server-side code handling file uploads to determine if validation relies solely on file extension or MIME type rather than inspecting actual file content (magic bytes).Affected if Validation only checks file extension or MIME type without verifying actual file content
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Test if executable file types are blocked on uploadAttempt to upload a file with .aspx extension (or other ASP.NET script extensions like .asp, .ashx) through the demo account upload function.Affected if Upload accepts .aspx or other script executable extensions without rejection
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Verify upload directory locationCheck the web server configuration to determine if uploaded files are stored within the web root directory structure.Affected if Uploaded files are stored in or accessible from within the web root
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Check script execution permissions on upload directoryReview web server configuration (IIS handler mappings, Apache mod_script, or equivalent) to determine if script execution is permitted for the upload directory.Affected if Script execution is enabled for the directory where uploads are stored
Your environment is affected if demo account file upload is accessible to unauthenticated users AND only performs extension-based validation AND allows .aspx files to be uploaded into a web-accessible directory with script execution enabled.
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 dataImplement strict server-side file type validation using magic byte inspection (not just extension checking), reject .aspx and other executable extensions entirely, store uploaded files outside the web root, and disable script execution permissions on the upload directory.
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-0731 — 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-2025-0731 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