CVE-2021-32094
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 · uneditedU.S. National Security Agency (NSA) Emissary 5.9.0 allows an authenticated user to upload arbitrary files.
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 confidenceNSA Emissary 5.9.0 contains an authenticated file upload vulnerability allowing authenticated users to upload arbitrary files to the server. This could enable remote code execution if executable files are placed in web-accessible directories.
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= 5.9.0CVSS 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 Emissary installationLocate the Emissary installation directory and find version information in the product's about page, version file, or admin interfaceAffected if Emissary is installed and the version displays as 5.9.0
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Verify installed versionCheck the exact version number of the installed Emissary product against the affected version 5.9.0Affected if The installed version is exactly 5.9.0
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Confirm authentication is enabledCheck if user authentication is configured and active on the Emissary instanceAffected if Authentication is enabled, providing valid credentials allows access to the upload functionality
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Identify file upload capabilityLocate the file upload feature in the web interface or API endpoints used for uploading files to the serverAffected if The file upload functionality is accessible to authenticated users
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Check web-accessible directoriesReview the server configuration to identify directories where uploaded files are stored that are accessible via HTTP/HTTPSAffected if Uploaded files can be placed in web-accessible directories that permit script execution
The environment is affected if Emissary version 5.9.0 is installed, authentication is enabled, and uploaded files can be stored in web-accessible directories where they could be executed.
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 dataApply vendor-provided patches or updates for Emissary 5.9.0. If no patch exists, implement strict file type validation, content-based verification, and restrict upload directories to non-executable locations.
- Consultation4.0 h
- Implementation12.0 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 $7,808.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-32094 — 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-2021-32094 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