CVE-2021-43333
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 · uneditedThe Datalogic DXU service on (for example) DL-Axist devices does not require authentication for configuration changes or disclosure of configuration settings.
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 Datalogic DXU service running on DL-Axist devices lacks authentication enforcement, allowing any network attacker to access configuration settings and modify them without credentials. This affects both confidentiality (disclosure) and integrity (tampering) of device configuration.
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<= 2.1.3CVSS 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 modelVerify if the target device is a Datalogic DL-Axist handheld terminal. This can be done via device label, system information, or management console.Affected if The device is a Datalogic DL-Axist model and the DXU service is accessible on the network.
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Locate the DXU serviceIdentify if the Datalogic DXU service is running and listening for network connections. Check for open ports associated with the DXU configuration interface using network scanning tools or by reviewing the device's active services.Affected if The DXU service is running and accepting network connections.
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Determine the DXU versionAccess the DXU service interface or check the installed version through the device management interface. Compare the installed version number against the affected range of <= 2.1.3.Affected if The installed DXU version is 2.1.3 or lower.
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Test authentication enforcementAttempt to access the DXU configuration interface over the network without providing any credentials. Observe whether the configuration settings are accessible without a login prompt.Affected if Configuration settings are accessible without any authentication credentials being required.
A user is affected if they have a Datalogic DL-Axist device running DXU version 2.1.3 or lower with the configuration interface accessible without authentication.
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 network segmentation to restrict access to the DXU service, enable authentication if available via firmware update, or contact Datalogic for an official patch to add authentication to the configuration interface.
- Consultation6.0 h
- Implementation12.0 h
- Testing6.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $7,680.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-43333 — 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-2021-43333 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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