CVE-2021-41291
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 · uneditedECOA BAS controller suffers from a path traversal content disclosure vulnerability. Using the GET parameter in File Manager, unauthenticated attackers can remotely disclose directory content on the affected device.
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 confidenceThe ECOA BAS controller contains a path traversal vulnerability in its File Manager component. Unauthenticated remote attackers can exploit this by manipulating GET parameters to traverse the file system and disclose directory contents on the affected device. This is a high-severity issue due to the trivial exploitability nature and complete lack of authentication requirements.
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 dataall versionsall versionsall versionsCVSS 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
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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 ECOA device modelLocate the device label, administrative interface, or network inventory to confirm the exact model (Ecs Router Controller, Riskbuster, or Riskterminator).Affected if The device is any of these three models and runs the File Manager component.
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Verify File Manager component statusAccess the device administrative interface and check whether the File Manager feature is enabled or exposed. If CLI access is available, look for File Manager service configuration.Affected if The File Manager component is enabled and accessible on the device.
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Check network accessibility of File ManagerAttempt to access the File Manager HTTP endpoints from an unauthorized network position using a browser or curl request to the device IP address on common web ports (80/443).Affected if The File Manager interface is reachable from the network without authentication.
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Confirm baseline security controlsReview firewall rules, access control lists, or VPN configurations surrounding the device to determine if network access is properly restricted.Affected if The device has no network segmentation or access restrictions in place.
A user is affected if they operate any ECOA Ecs Router Controller, Riskbuster, or Riskterminator device with the File Manager component enabled and accessible, especially without network access controls.
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-supplied patches or firmware updates to the ECOA BAS controller. If no patch is available, restrict network access to the device using firewall rules or place it behind a VPN, and disable the File Manager feature if possible.
- Consultation2.0 h
- Implementation2.0 h
- Testing3.0 h
- Review / QA1.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2021-41291 — 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-2021-41291 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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- Version or environment caveats, and links to real fixes
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