CVE-2019-13552
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 · uneditedIn WebAccess versions 8.4.1 and prior, multiple command injection vulnerabilities are caused by a lack of proper validation of user-supplied data and may allow arbitrary file deletion and remote code execution.
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 confidenceMultiple command injection vulnerabilities exist in WebAccess versions 8.4.1 and prior due to insufficient validation of user-supplied data. Attackers can exploit these flaws to execute arbitrary operating system commands and delete arbitrary files on the affected 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<= 8.4.1CVSS 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:3.1/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 Advantech WebAccess installationCheck system for WebAccess installation by searching for 'Advantech' or 'WebAccess' in installed programs (Windows: Registry key HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall, or look for WebAccess installation directory typically under C:\inetpub\wwwroot\WebAccess or C:\WebAccess)Affected if Advantech WebAccess software is found on the system
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Determine installed WebAccess versionLocate version information in the installation directory or via Windows Registry under the WebAccess registry keys. Common locations include a version.ini file or the main executable's properties within the WebAccess folderAffected if Installed version is 8.4.1 or any version prior to 8.4.1
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Verify web interface is enabled and accessibleCheck if the WebAccess web service (typically running on IIS) is active and the web portal is reachable. Look for WADashboard, WADemo, or similar web application paths in IIS Manager or by attempting HTTP/HTTPS access to the server on common ports 80/443/8080/4433Affected if WebAccess web interface is running and network-accessible (even internally)
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Check for suspicious processes or web shell activityReview running processes on the WebAccess server for unexpected command execution tools or web shells. Examine IIS worker processes for unusual child processes or command-line activity. Check web application directories for newly created or unexpected script filesAffected if Unusual processes, unexpected scripts in web directories, or signs of unauthorized command execution are observed
The environment is affected if Advantech WebAccess version 8.4.1 or earlier is installed and the web interface is accessible, as command injection can occur through insufficiently validated user input.
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 WebAccess to a version beyond 8.4.1. If immediate patching is not feasible, restrict network access to the WebAccess interface and implement strict input validation at a network boundary.
- Consultation8.0 h
- Implementation16.0 h
- Testing12.0 h
- Review / QA8.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $12,352.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2019-13552 — 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-2019-13552 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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