CVE-2025-9099
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 · uneditedA vulnerability was identified in Acrel Environmental Monitoring Cloud Platform up to 20250804. This affects an unknown part of the file /NewsManage/UploadNewsImg. The manipulation of the argument File leads to unrestricted upload. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
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 confidenceAcrel Environmental Monitoring Cloud Platform has an unrestricted file upload vulnerability in the /NewsManage/UploadNewsImg endpoint. The File argument lacks proper validation, allowing remote attackers to upload arbitrary files (potentially malicious scripts) to the 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
- Unchanged
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
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 Acrel Environmental Monitoring Cloud Platform is installedLocate the application installation directory or check running services for 'Acrel' or 'Environmental Monitoring' componentsAffected if The platform is deployed in the environment
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Verify the /NewsManage/UploadNewsImg endpoint existsCheck application routing configuration or attempt a HEAD request to the endpoint path relative to the web rootAffected if The endpoint is accessible and responds to requests
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Check if file upload functionality is enabledReview application configuration files for upload module settings or test uploading a benign file to the endpointAffected if The endpoint accepts file uploads without explicit disablement
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Inspect upload storage locationExamine the application's upload configuration or file system to determine where uploaded files are stored (webroot vs isolated directory)Affected if Uploaded files are stored within the web-accessible directory
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Verify file validation controlsReview application or web server configuration for extension allowlist, MIME type validation, or content inspection rules on the upload endpointAffected if No extension/allowlist, MIME type validation, or content inspection is configured for the File argument
The environment is affected if Acrel Environmental Monitoring Cloud Platform is running with the /NewsManage/UploadNewsImg endpoint accessible and file uploads are processed without proper validation checks on file extensions or content.
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 validation including extension allowlist, MIME type verification, and content inspection; store uploaded files outside webroot or in a non-executable directory with appropriate access controls.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2025-9099 — 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-2025-9099 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