CVE-2022-47317
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 · uneditedOut-of-bounds write vulnerability in V-Server v4.0.12.0 and earlier allows a local attacker to obtain the information and/or execute arbitrary code by having a user to open a specially crafted project file.
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 out-of-bounds write vulnerability in V-Server versions 4.0.12.0 and earlier allows local attackers to trigger the vulnerability by having a user open a specially crafted project file. This memory corruption flaw can enable information disclosure or arbitrary code execution.
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<= 4.0.12.0CVSS 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
- Local
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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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Verify V-Server installationCheck for the presence of Fujielectric V Server software on the system. Look for the application in installed programs list or typical installation directories.Affected if V-Server is installed and the version is unknown or confirmed to be 4.0.12.0 or earlier
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Identify installed versionOpen the V-Server application or check its properties/About section to retrieve the exact version number. Alternatively, check the Windows registry under HKLM\SOFTWARE\Fujielectric or the installation directory for version metadata.Affected if The installed version is 4.0.12.0 or any version lower than 4.0.12.0
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Determine if project file handling is accessibleVerify whether the V-Server application can load or import project files. Check if the project file open/import functionality exists and is accessible to local users.Affected if Project file functionality is available and users can open or import project files from the local system
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Inspect recent project file accessReview application logs, recent files lists, or file system artifacts in the V-Server data directories to identify any recently opened project files of suspicious origin.Affected if Untrusted or suspicious project files have been recently opened by any user on the system
A system is affected if Fujielectric V Server version 4.0.12.0 or earlier is installed and users have the ability to open project files, since the vulnerability is triggered when opening a specially crafted project file.
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 V-Server to a version newer than 4.0.12.0. Until an update is available, avoid opening project files from untrusted sources.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $6,176.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-47317 — 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-2022-47317 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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- 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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