CVE-2023-33374
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 · uneditedConnected IO v2.1.0 and prior has a command as part of its communication protocol allowing the management platform to specify arbitrary OS commands for devices to execute. Attackers abusing this dangerous functionality may issue all devices OS commands to execute, resulting in arbitrary remote command execution.
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 confidenceConnected IO v2.1.0 and prior contains a dangerous command in its device management communication protocol that allows the management platform to specify arbitrary OS commands for connected IoT devices to execute. Attackers who can send messages to devices through this protocol can achieve unauthenticated remote command execution on all devices managed by the platform.
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<= 2.1.0CVSS 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
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/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 Connected IO versionLocate the installed version of Connected IO software on the device or management platform - check system information, About page, or version file provided with the installationAffected if Version is 2.1.0 or lower (any version <= 2.1.0)
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Determine if device management protocol is network-accessibleReview network configuration and firewall rules to check whether the Connected IO device management communication protocol port/service is exposed to untrusted networks or the internetAffected if The management protocol port is accessible from untrusted networks or external IP addresses
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Check for suspicious management commands in logsReview device and management platform logs for any unexpected or unauthorized commands sent through the device management protocol, particularly commands that appear to be OS-level operationsAffected if Logs show commands that were not initiated by legitimate administrators, or commands containing shell syntax (such as ;, |, &&, or command substitutions)
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Verify authentication on management interfaceExamine the authentication configuration for the Connected IO management protocol to confirm whether the dangerous command feature requires proper admin authentication before executionAffected if The protocol allows command execution without requiring strong authentication or allows unauthenticated access
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Inspect network traffic for the management protocolUse network monitoring or packet capture on the segment where Connected IO devices communicate, looking for traffic on the device management protocol ports from unexpected sourcesAffected if Management protocol traffic originates from IP addresses outside the expected management network
You are affected if your Connected IO version is 2.1.0 or prior AND the device management protocol is accessible to unauthorized attackers on your network.
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 dataUpgrade Connected IO to a version beyond v2.1.0. If no patched version is available, implement network segmentation to restrict unauthorized access to the management protocol and monitor for suspicious commands being sent to devices.
- Consultation8.0 h
- Implementation16.0 h
- Testing12.0 h
- Review / QA8.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $12,352.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-33374 — 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-2023-33374 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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