CVE-2024-33786
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 · uneditedAn arbitrary file upload vulnerability in Zhongcheng Kexin Ticketing Management Platform 20.04 allows attackers to execute arbitrary code via uploading 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 confidenceAn arbitrary file upload vulnerability in Zhongcheng Kexin Ticketing Management Platform version 20.04 allows unauthenticated attackers to upload malicious files that can be executed on the server, leading to arbitrary code execution and potential full system compromise.
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
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/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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Identify the installed version of Zhongcheng Kexin Ticketing Management PlatformLocate version information in the application (typically found in login page footer, about page, or configuration files). Compare the version number to the affected version 20.04.Affected if The installed version is 20.04 or falls within the affected version range.
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Determine if file upload functionality is exposedLocate and access any file upload features in the application (such as ticket attachments, profile image uploads, or document submission forms).Affected if The upload feature is accessible without authentication or with low-privilege user access.
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Verify where uploaded files are storedExamine the application's upload directory configuration. Check if files are stored within the webroot (web-accessible directories) or outside the webroot.Affected if Uploaded files are stored in web-accessible directories under the web server's document root.
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Check if uploaded files retain executable extensionsUpload a benign test file with a potentially dangerous extension (such as .php, .asp, .jsp, .exe) and verify whether the file is saved with its original extension or renamed to a safe extension.Affected if Uploaded files retain their original extensions, particularly script-like extensions (.php, .asp, .jsp, .exe, .phtml).
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Verify script execution is disabled in upload directoriesCheck the web server configuration (Apache, Nginx, IIS) for handlers or directives that prevent execution of scripts in the upload directory.Affected if Script execution is not explicitly disabled in the upload directory, allowing uploaded malicious scripts to be executed by the web server.
A user is affected if they are running Zhongcheng Kexin Ticketing Management Platform version 20.04 (or an affected version) with the upload feature exposed and files stored in a web-accessible location without execution restrictions.
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 file type validation with allowlist approach, store uploaded files outside webroot with no execute permissions, rename files upon upload, and disable script execution in upload directories.
- Consultation4.0 h
- Implementation12.0 h
- Testing6.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $7,040.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-33786 — 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-2024-33786 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