CVE-2016-0852
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 · uneditedAdvantech WebAccess before 8.1 allows remote attackers to bypass an intended administrative requirement and obtain file or folder access via unspecified vectors.
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 confidenceAdvantech WebAccess versions prior to 8.1 contain an access control bypass vulnerability that allows remote attackers to circumvent administrative authentication requirements and gain unauthorized file or folder access. The specific attack vector is not detailed, but the flaw permits file system access without proper authorization.
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<= 8.0CVSS 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
- None
- Availability
- None
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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 if the Advantech WebAccess service or application is running on the system. Look for processes named 'WebAccess' or services related to Advantech in Windows Services or check for the installation directory (commonly C:\Advantech\WebAccess or similar).Affected if The software is installed and running on the target system.
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Retrieve installed version numberAccess the WebAccess web interface and navigate to the About or Help section to view the version, or check the version information in the installation folder (such as a version.txt, README, or the main executable's properties).Affected if Unable to determine version or version is <= 8.0.
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Verify version against affected rangeCompare the identified version to the affected range: versions 8.0 and earlier are vulnerable. Version 8.1 and later contain the fix.Affected if The installed version is 8.0 or earlier (e.g., 7.x, 8.0).
If Advantech WebAccess is installed and the version is 8.0 or earlier, the system is affected by this access control bypass vulnerability.
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 Advantech WebAccess version 8.1 or later. If immediate patching is not feasible, restrict network access to the WebAccess interface using network segmentation and firewall rules to limit exposure to untrusted networks.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2016-0852 — 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-2016-0852 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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