CVE-2012-6274
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 · uneditedBigAntSoft BigAnt IM Message Server does not require authentication for file uploading, which allows remote attackers to create arbitrary files under AntServer\DocData\Public 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 · high confidenceBigAnt IM Message Server contains an unauthenticated file upload vulnerability in its message server component. The file upload functionality at AntServer\DocData\Public lacks authentication checks, allowing remote attackers to upload arbitrary files without credentials. This could potentially enable remote code execution if executable files are uploaded and accessed.
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
- Network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- None
- Integrity
- Partial
- Availability
- None
AV:N/AC:L/Au:N/C:N/I:P/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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Verify BigAnt IM Message Server is installedCheck for the presence of BigAnt IM Message Server service on the system. Look for the service named 'BigAnt IM Message Server' in Windows Services, or check common installation paths such as C:\Program Files\BigAnt or C:\BigAnt for the server components.Affected if The BigAnt IM Message Server software is installed on the system.
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Confirm the AntServer\DocData\Public directory existsNavigate to the BigAnt installation directory and verify the existence of the AntServer\DocData\Public folder, which handles file uploads.Affected if The AntServer\DocData\Public directory exists in the BigAnt installation folder.
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Check if the Message Server is running and listening on network portsRun 'netstat -an' or use PowerShell 'Get-NetTCPConnection' to check if BigAnt Message Server is listening on its default ports (typically port 6080 or configured ports). Verify the service status via Windows Services or running processes.Affected if The BigAnt Message Server service is running and accepting network connections.
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Verify the upload endpoint is network-accessibleAttempt to access the file upload endpoint via HTTP using a browser or curl command: http://[server]:[port]/DocData/Public/ (replace port with the configured BigAnt server port). Check if the endpoint responds without requiring authentication.Affected if The DocData/Public upload endpoint responds without authentication credentials.
If BigAnt IM Message Server is installed, running, and the AntServer\DocData\Public endpoint is accessible over the network, the system is affected by this unauthenticated file upload 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 dataImplement proper authentication and authorization checks on all file upload endpoints. If the file upload functionality is not required in production, disable it. Consider network-level restrictions to limit exposure of the affected service.
- Consultation2.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2012-6274 — 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-2012-6274 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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