CVE-2022-43436
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 · uneditedThe File Upload function of EasyTest has insufficient filtering for special characters and file type. A remote attacker authenticated as a general user can upload and execute arbitrary files, to manipulate system or disrupt service.
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 confidenceEasyTest's File Upload function lacks proper validation for file types and special characters in filenames. An authenticated user can upload malicious files (e.g., web shells) and execute them, achieving arbitrary code execution on the server.
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= 22h29CVSS 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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Identify EasyTest installation and versionLocate the EasyTest application files and check the version metadata (such as a version file, header, or admin panel) to determine if the installed version is 22h29Affected if The installed version is 22h29 and the file upload feature is accessible to authenticated users
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Verify if File Upload function is enabledCheck the EasyTest configuration files or admin settings to determine whether the file upload functionality is currently activeAffected if File upload is enabled and accessible without additional security controls
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Confirm authentication requirements for uploadsReview the application's access control settings or test whether the file upload endpoint requires valid user credentialsAffected if The upload endpoint allows access to any authenticated user without additional authorization checks
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Inspect upload directory placementExamine the web server and EasyTest configuration to determine where uploaded files are stored relative to the web rootAffected if Uploaded files are stored within the web-accessible directory structure
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Check script execution controls on upload directoryReview web server configuration (such as .htaccess, nginx config, or IIS handlers) for the upload directory to verify if script execution is disabledAffected if The upload directory allows execution of server-side scripts (PHP, JSP, ASP, etc.) or has no execution restrictions configured
A user is affected if EasyTest version 22h29 is installed with the file upload feature enabled, accessible to authenticated users, and uploads are stored in a web-accessible directory without script execution disabled.
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 type validation (both MIME type and magic bytes), sanitize filenames to strip special characters, store uploads outside the web root, and disable script execution in upload directories.
- Consultation3.0 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 $6,720.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-43436 — 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-2022-43436 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