CVE-2006-1161
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 · uneditedAbsolute path traversal vulnerability in Easy File Sharing (EFS) Web Server 3.2 allows remote registered users to execute arbitrary code by uploading a malicious file to the Windows startup folder.
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 confidenceEasy File Sharing Web Server 3.2 contains an absolute path traversal vulnerability that allows authenticated remote users to upload files to arbitrary locations, specifically the Windows startup folder. By uploading a malicious executable to the startup directory, attackers achieve arbitrary code execution upon system reboot.
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= 3.2CVSS 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
- Authentication
- Single
- Confidentiality
- Partial
- Integrity
- Partial
- Availability
- Partial
AV:N/AC:L/Au:S/C:P/I:P/A:P
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 Easy File Sharing Web Server installationCheck for the presence of the EFS Web Server executable (usually named 'efsweb.exe' or similar) or look for the service process running on common HTTP ports (80, 8080). Check Program Files directory for Easy File Sharing Web Server folder.Affected if The software is installed and running as a service on the system
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Confirm the installed versionRight-click the executable (typically in C:\Program Files\Efs Software\Easy File Sharing Web Server or similar path), select Properties, and check the Version tab. Alternatively, access the server's main page and look for version information in the footer or about page.Affected if The version is exactly 3.2
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Verify file upload functionality is enabledLog into the web interface as an authenticated user and navigate to the file upload section. Check if a file upload form or API endpoint is accessible and functional.Affected if File upload feature is accessible and operational for authenticated users
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Check authentication configurationExamine the server's user management settings or try accessing upload functionality without credentials. Look for weak or default credentials that may allow anonymous access.Affected if Anonymous access to upload is allowed, or default/weak credentials are in use, allowing unauthorized authenticated access
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Verify startup folder is reachable via upload pathTest whether the absolute path traversal is exploitable by attempting to upload a file to an absolute path like C:\Documents and Settings\All Users\Start Menu\Programs\Startup\ or C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\ (depending on Windows version).Affected if The server accepts absolute paths in the upload request without rejecting them
The system is affected if Easy File Sharing Web Server version 3.2 is installed with the file upload feature enabled, and the server allows authenticated (or anonymous) users to specify absolute paths in upload requests, permitting files to be placed in the Windows startup folder.
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 dataImplement strict path validation to reject absolute paths and path traversal sequences (..) in file upload requests, and restrict all uploads to a sandboxed directory outside the web root.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2006-1161 — 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-2006-1161 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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