CVE-2023-4227
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 has been identified in the ioLogik 4000 Series (ioLogik E4200) firmware versions v1.6 and prior, which can be exploited by malicious actors to potentially gain unauthorized access to the product. This could lead to security breaches, data theft, and unauthorized manipulation of sensitive information. The vulnerability is attributed to the presence of an unauthorized service, which could potentially enable unauthorized access to the. 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 · moderate confidenceThe ioLogik E4200 device running firmware v1.6 or prior contains an unauthorized service that accepts external connections, allowing potential unauthorized access to the device. This unauthorized service could be exploited by remote attackers to gain access to the device without authentication, potentially leading to data theft or manipulation of connected systems.
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<= 1.6CVSS 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
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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 device firmware versionAccess the ioLogik E4200 web interface or administrative console and navigate to the System Settings or Device Information section to view the installed firmware version.Affected if The displayed firmware version is 1.6 or lower.
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Review active network servicesUse the device's administrative interface or network scanning tools to enumerate all listening services and open ports on the ioLogik E4200 device.Affected if Any service is found listening on ports that are not documented or expected for normal device operation.
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Verify service legitimacyCompare all detected listening services against the known legitimate services documented in the device manual (typically HTTP/HTTPS for management, Modbus, or SNMP).Affected if An undocumented or unauthorized service is found accepting external connections.
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Check network exposurePerform a port scan from an external network segment targeting the ioLogik E4200 device IP address to identify publicly accessible ports.Affected if Any unexpected ports are reachable from outside the trusted network.
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Inspect firewall rulesReview any network firewall or access control rules applied to the ioLogik E4200 to determine if inbound connections to unexpected services are permitted.Affected if Firewall rules allow unrestricted inbound access to services other than those required for legitimate operations.
A user is affected if their ioLogik E4200 runs firmware version 1.6 or lower and has an unauthorized or undocumented service accepting external network connections.
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 dataUpdate to the latest vendor firmware version when available, or disable/block the unauthorized service through network segmentation and firewall rules to restrict access to only legitimate services.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,120.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-4227 — 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-2023-4227 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
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