CVE-2023-29984
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 · uneditedNull pointer dereference vulnerability exists in multiple vendors MFPs and printers which implement Debut web server 1.2 or 1.3. Processing a specially crafted request may lead an affected product to a denial-of-service (DoS) condition. As for the affected products/models/versions, see the detailed information provided by each vendor.
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 confidenceA null pointer dereference vulnerability exists in Debut web server versions 1.2 and 1.3, which are embedded in multiple vendors' MFPs and printers. Processing a specially crafted HTTP request triggers the null pointer dereference, causing the affected device to crash and enter a denial-of-service condition.
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< n< l< n< n< l< 1.21< 1.21< 1.21CVSS 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
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 your device modelCheck the product label or web interface for the exact model name (e.g., Fujifilm Docuprint M265 Z, M268 Z, M225 Z, M225 Dw, M268 Dw, P265 Dw, P268 Dw, or P268 D)Affected if The device is one of these eight Fujifilm Docuprint models
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Check the installed firmware versionAccess the device web interface and navigate to the Status or Maintenance page to view the firmware version, or print a configuration page from the device control panelAffected if The firmware version is below the threshold specified for your model (1.21 for P265 Dw, P268 Dw, P268 D; other models have version limits indicated by letters in the advisory)
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Confirm the Debut web server is accessibleAttempt to access the device HTTP interface by entering the device IP address in a web browserAffected if The web interface responds and is reachable on the network
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Verify the Debut web server component is activeCheck the device HTTP service response headers or service status page for indicators of the Debut web server (version 1.2 or 1.3)Affected if The web server is the Debut embedded server and responds to HTTP requests
A user is affected if their device is a Fujifilm Docuprint model from the affected list, runs firmware below the patched version threshold, and has the Debut web server enabled and network-accessible.
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 data1.21
Contact affected device vendors for available firmware updates that patch the Debut web server vulnerability; if no patch is available, consider network isolation or disabling the web server interface as a compensating control.
- Consultation8.0 h
- Implementation16.0 h
- Testing8.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-29984 — 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-2023-29984 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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