CVE-2024-52369
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 · uneditedUnrestricted Upload of File with Dangerous Type vulnerability in Optimal Access KBucket kbucket allows Upload a Web Shell to a Web Server.This issue affects KBucket: from n/a through <= 4.2.2.
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 confidenceUnrestricted file upload vulnerability in Optimal Access KBucket allows attackers to upload web shells (malicious scripts) to the web server without proper validation of file type, extension, or content. This enables remote code execution since the uploaded web shells can be executed by the web server.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS 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
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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 KBucket installationLocate the Optimal Access KBucket software in your environment - check installed applications, web servers, or service inventories where this product may be deployed.Affected if KBucket is installed and running in your environment.
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Identify KBucket versionCheck the installed version of KBucket by reviewing the software's about page, version file, or using any available version query command provided by the application.Affected if The installed version is lower than the patched version released for CVE-2024-52369.
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Verify file upload feature exposureDetermine if the KBucket file upload functionality is exposed via web interface, API endpoint, or network service. Check accessible URLs or endpoints related to file uploads.Affected if The file upload feature is accessible without additional authentication or network restrictions.
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Review upload directory accessibilityInspect the directories configured for KBucket file uploads and determine if they are located within the web root (publicly accessible via HTTP/HTTPS).Affected if Uploaded files are stored in web-accessible directories with execute permissions.
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Check for suspicious uploaded filesSearch upload directories for file types that could be web shells such as .php, .asp, .jsp, .exe, .phtml, or other script extensions that the web server may execute.Affected if Unexpected script or executable files exist in upload directories.
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Inspect file upload validation configurationReview KBucket configuration files or settings related to file upload validation - check if file type, extension, MIME type, or content validation is implemented.Affected if No file type/extension/content validation is configured or enforced for uploads.
Your environment is affected if KBucket is running with an unpatched version and the file upload feature is accessible without strict validation, particularly if uploads are stored in web-accessible directories.
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 allowlist-based file validation including MIME type verification, magic byte checks, and extension filtering; store uploaded files outside the web root or with execution disabled; rename files upon upload.
- Consultation4.0 h
- Implementation16.0 h
- Testing8.0 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 $8,960.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-52369 — 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-2024-52369 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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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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