CVE-2023-41357
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 · uneditedGalaxy Software Services Corporation Vitals ESP is an online knowledge base management portal, it has insufficient filtering and validation during file upload. An authenticated remote attacker with general user privilege can exploit this vulnerability to upload and execute scripts onto arbitrary directories to perform arbitrary system operations 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 confidenceVitals ESP fails to properly validate and filter file uploads, allowing authenticated users with general privileges to upload malicious scripts to arbitrary directories. The uploaded files can then be executed, enabling remote code execution or service disruption.
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<= 6.1CVSS 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 Vitals ESP installed versionLocate the Vitals ESP installation directory and check version information in the application metadata, About page, or version file (common locations include config files, registry entries, or the application header). Compare the found version against the affected range: any version <= 6.1 is potentially vulnerable.Affected if Installed version is 6.1 or lower.
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Confirm file upload functionality is enabledAccess the Vitals ESP administrative console or user interface. Navigate to the file upload or attachment settings panel. Determine whether the file upload feature is actively enabled for general users.Affected if File upload capability is enabled and accessible to authenticated users.
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Verify uploaded files are stored within web rootLocate the upload directory configuration in Vitals ESP settings or configuration files. Check the file system path where uploaded files are stored. Determine if this directory resides inside the web server document root.Affected if Upload directory path is accessible via HTTP/HTTPS (within web root).
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Check for script execution restrictions on upload directoryInspect the web server configuration (IIS, Apache, or Nginx) or Vitals ESP settings for the upload directory. Look for directives that control script execution (such as handler mappings, .htaccess rules, or application-level restrictions).Affected if Script execution is not explicitly disabled for the upload directory (no blocking of .php, .asp, .exe, .js, or other executable extensions).
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Review file type validation configurationAccess Vitals ESP upload settings and examine the file type allowlist or blocklist. Determine whether the validation relies on file extension, MIME type, or content analysis. Check if executable file types are explicitly blocked.Affected if No strict allowlist is enforced, or dangerous extensions (.php, .asp, .jsp, .exe, .bat, .sh) are permitted.
The environment is affected if running Vitals ESP version 6.1 or lower with file upload functionality enabled, and uploaded files are stored in a web-accessible location without script 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 allowlisting, store uploads outside the web root, rename uploaded files to remove extensions, 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-2023-41357 — 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-2023-41357 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
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