CVE-2022-34822
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 · uneditedPath traversal vulnerability in CLUSTERPRO X 5.0 for Windows and earlier, EXPRESSCLUSTER X 5.0 for Windows and earlier, CLUSTERPRO X 5.0 SingleServerSafe for Windows and earlier, EXPRESSCLUSTER X 5.0 SingleServerSafe for Windows and earlier allows a remote unauthenticated attacker to overwrite existing files on the file system and to potentially execute arbitrary code.
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 confidenceA path traversal vulnerability in CLUSTERPRO X and EXPRESSCLUSTER X for Windows allows remote unauthenticated attackers to write files to arbitrary locations on the filesystem by manipulating path traversal sequences (e.g., '../'), potentially achieving 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<= 5.0<= 5.0CVSS 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
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/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 checksWork through these to decide whether this CVE applies to you.
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Verify Expresscluster X installationOpen Windows Control Panel > Programs and Features, or run 'Get-ItemProperty HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\* | DisplayName' in PowerShell to list installed software. Look for 'Expresscluster X', 'Expresscluster X Singleserversafe', or 'CLUSTERPRO X'.Affected if One of these products is listed in installed programs.
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Check installed versionRight-click the Expresscluster/Clusterpro entry in Programs and Features and view the Version property, or query the registry at HKLM:\SOFTWARE\NEC\Expresscluster (or Clusterpro) for the Version value. Note the exact version number.Affected if The installed version is 5.0 or any version lower than 5.0.
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Confirm vulnerable service is runningOpen Services console (services.msc) and locate the Expresscluster or Clusterpro service, or run 'Get-Service | Where-Object {$_.DisplayName -match "Expresscluster|Clusterpro"}'. Check if the service status is Running.Affected if The Expresscluster/Clusterpro service is running on the system.
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Assess network exposureRun 'netstat -ano | findstr LISTENING' to list listening ports, or use PowerShell 'Get-NetTCPConnection -State Listen'. Identify any ports associated with Expresscluster/Clusterpro services and determine if they are bound to external IPs (0.0.0.0) rather than localhost (127.0.0.1).Affected if The Expresscluster/Clusterpro service is listening on accessible network interfaces (0.0.0.0) rather than localhost only.
The system is affected if Expresscluster X or CLUSTERPRO X for Windows is installed at version 5.0 or lower and the service is network-accessible.
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 dataApply vendor patches for CLUSTERPRO/EXPRESSCLUSTER X 5.0 for Windows. Until patched, restrict network access to these services and monitor for suspicious file write attempts using directory traversal patterns.
- Consultation4.0 h
- Implementation16.0 h
- Testing8.0 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 $8,960.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-34822 — 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-2022-34822 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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