CVE-2024-39927
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 · uneditedOut-of-bounds write vulnerability exists in Ricoh MFPs and printers. If a remote attacker sends a specially crafted request to the affected products, the products may be able to cause a denial-of-service (DoS) condition and/or user's data may be destroyed.
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 confidenceAn out-of-bounds write vulnerability exists in Ricoh MFPs and printers where a remote attacker can send a specially crafted request to trigger memory corruption. This can cause denial of service and/or destroy user data on affected devices.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS 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
- Low
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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 Ricoh MFP or printer on the networkAccess the device web interface or check network scan results to confirm the device is a Ricoh product. Look for 'Ricoh' in the device name or model information.Affected if The device is a Ricoh MFP or printer model.
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Determine the installed firmware versionLog into the device web management interface and navigate to the Device Information or System Settings page to view the firmware version. Alternatively, print a configuration page from the device control panel.Affected if The firmware version matches or falls within the range specified in the Ricoh security advisory for CVE-2024-39927.
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Verify network service exposureScan the device IP address using a port scanner (such as nmap) to identify open network ports. Focus on HTTP/HTTPS (ports 80/443) and other management services.Affected if The device has network services accessible from an untrusted network segment.
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Check if remote request processing is enabledReview the device network configuration settings in the web interface to confirm that remote print protocols (such as Web Services, IPP, or remote firmware update features) are enabled.Affected if Remote network request processing features are enabled on the device.
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Assess network accessibilityDetermine whether the device IP address is reachable from network segments that contain untrusted or internet-facing systems. Review firewall rules and network ACLs.Affected if The device is accessible from networks outside the trusted internal network.
A user is affected if they have a Ricoh MFP or printer where the installed firmware version matches the affected versions in the Ricoh advisory and the device network services are accessible to potential attackers.
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 firmware updates when available. As an interim control, restrict network access to affected devices and consider network segmentation to limit exposure to unauthenticated attackers.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-39927 — 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-2024-39927 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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