CVE-2022-42029
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 · uneditedChamilo 1.11.16 is affected by an authenticated local file inclusion vulnerability which allows authenticated users with access to 'big file uploads' to copy/move files from anywhere in the file system into the web directory.
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 confidenceChamilo 1.11.16 contains an authenticated local file inclusion vulnerability in the 'big file upload' functionality. Authenticated users can copy or move files from arbitrary filesystem locations into the web directory, potentially leading to remote code execution if malicious files are placed in web-accessible paths.
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= 1.11.16CVSS 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 Chamilo versionLocate and inspect the version file or admin panel in your Chamilo installation. Look for a version.php file or check the admin dashboard for the exact version number.Affected if The installed version is exactly 1.11.16 (only this version is listed as affected).
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Identify if big file upload feature is enabledCheck the Chamilo configuration settings or database for the 'big file upload' feature toggle. This is typically found in the main configuration panel or in the database table for system settings.Affected if The big file upload feature is turned on or accessible in the system.
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Check web directory for unexpected filesInspect the publicly accessible web directory (typically the root or 'public' folder of the Chamilo installation) for any PHP files or scripts that were not uploaded through the standard file upload interface.Affected if Unexpected or suspicious PHP files exist in web-accessible directories that could indicate exploitation.
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Review user permissions on big file uploadExamine the roles and permissions assigned to user accounts, particularly whether regular authenticated users have access to the copy/move file operations within the big file upload functionality.Affected if Non-admin authenticated users have permissions to use the file copy or move features of big file upload.
You are affected if you are running Chamilo version 1.11.16 with the big file upload feature enabled and accessible to authenticated users.
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 a patched version of Chamilo. If immediate patching is not possible, restrict access to the 'big file upload' feature to trusted administrators only and implement strict file path validation in the affected component.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $6,176.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-42029 — 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-2022-42029 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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