CVE-2019-13203
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 · uneditedSome Kyocera printers (such as the ECOSYS M5526cdw 2R7_2000.001.701) were affected by an integer overflow vulnerability in the arg3 parameter of several functionalities of the web application that would allow an authenticated attacker to perform a Denial of Service attack, crashing the device, or potentially execute arbitrary code on 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 confidenceKyocera ECOSYS printers contain an integer overflow vulnerability in the arg3 parameter of multiple web application functionalities. An authenticated attacker can exploit this to cause device denial of service by crashing the printer, or potentially achieve arbitrary code execution with the privileges of the web service.
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= 2r7_2000.001.701CVSS 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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/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 the printer modelAccess the printer's web management interface or check the device label/menu to confirm the model is Kyocera Ecosys M5526cdwAffected if The device is not a Kyocera Ecosys M5526cdw, then it is not affected by this specific CVE
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Check the firmware versionLog into the web management interface and navigate to the Status or Device Information page to view the firmware version, or print a configuration page from the printer control panelAffected if The firmware version is exactly 2r7_2000.001.701, then the device is affected
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Verify web management interface accessibilityAttempt to access the printer's web interface by entering the printer IP address in a web browserAffected if The web interface is reachable from untrusted networks, the vulnerability is potentially exploitable
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Confirm authentication is requiredTry to access web application functionalities without logging in, or verify that the login page is enforced before accessing any featuresAffected if The web interface allows unauthenticated access to the arg3 parameter functionalities, exploitation is possible without credentials
A user is affected if they have a Kyocera Ecosys M5526cdw printer running firmware version 2r7_2000.001.701 with an accessible web management interface, regardless of whether authentication is currently enforced.
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 dataRestrict access to the printer web management interface to trusted users only, implement strong authentication, apply vendor firmware updates when available, and network-segment printers from untrusted networks.
- Consultation4.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2019-13203 — 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-2019-13203 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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