CVE-2016-4533
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 · uneditedHeap-based buffer overflow in WECON LeviStudio allows remote attackers to execute arbitrary code via a crafted 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 confidenceHeap-based buffer overflow vulnerability in WECON LeviStudio allows remote attackers to execute arbitrary code via a crafted file. The vulnerability occurs during file parsing operations where insufficient bounds checking leads to heap memory corruption.
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 dataall versionsCVSS 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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Identify LeviStudio installationSearch the system for the LeviStudio executable. Common locations include C:\Program Files\WECON\LeviStudio or C:\Program Files (x86)\WECON\LeviStudio. Check Program Files directories or use search utilities to locate files named LeviStudio.exe.Affected if The LeviStudio.exe executable is found on the system.
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Confirm file parsing functionalityVerify that LeviStudio includes file import or project file opening capabilities. Check for menu options such as File > Open, File > Import, or similar file loading features within the installed software.Affected if LeviStudio can open, import, or parse project files or external data files.
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Verify software is in active useReview system activity logs, recent documents, or user workflow records to determine whether LeviStudio has been used to process project files. Check for .levi project file extensions or related file types associated with the software.Affected if LeviStudio has been used to open or process any project files.
If LeviStudio is installed and includes file parsing capabilities, the environment is affected because all versions of this software contain the heap-based buffer overflow vulnerability during file parsing operations.
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 dataRestrict usage of LeviStudio to trusted files only and monitor for vendor security updates. Consider network segmentation to limit exposure if the software processes untrusted input.
- Consultation6.0 h
- Implementation12.0 h
- Testing8.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2016-4533 — 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-2016-4533 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
- No spam, self-promotion, credentials, or personal data