CVE-2019-18242
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 · uneditedIn Moxa ioLogik 2500 series firmware, Version 3.0 or lower, and IOxpress configuration utility, Version 2.3.0 or lower, frequent and multiple requests for short-term use may cause the web server to fail.
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 denial-of-service vulnerability exists in the web server component of Moxa ioLogik 2500 series firmware (versions 3.0 and below) and IOxpress configuration utility (versions 2.3.0 and below). The web server fails when subjected to frequent, rapid consecutive requests, causing service interruption.
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<= 3.0<= 3.0<= 3.0<= 3.0<= 3.0<= 3.0<= 3.0<= 3.0CVSS 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
- 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 ioLogik 2512 modelLocate the physical device or documentation to confirm the exact model (e.g., ioLogik 2512, 2512 T, 2512 HSPA, 2512 HSPA T, 2512 WL1 EU, 2512 WL1 EU T, 2512 WL1 US, or 2512 WL1 US T)Affected if The model is any ioLogik 2512 variant listed in the affected products
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Check device firmware versionAccess the device web interface or administrative console and locate the firmware version information, typically found under System Settings or Device StatusAffected if Firmware version is 3.0 or lower
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Check IOxpress utility versionOpen the IOxpress configuration utility on the management workstation and verify the software version in the About or Help sectionAffected if IOxpress utility version is 2.3.0 or lower
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Verify web server exposureConfirm the device web server is accessible on the network (typically ports 80 or 443)Affected if The web server is network-accessible and the firmware version is 3.0 or below
You are affected if your ioLogik 2512 device runs firmware version 3.0 or lower, or if you use IOxpress utility version 2.3.0 or lower.
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 ioLogik 2500 firmware to a version newer than 3.0 and IOxpress utility to a version newer than 2.3.0. If upgrades are not immediately feasible, implement network-level rate limiting or access controls to restrict rapid request patterns to the web server.
- Consultation2.0 h
- Implementation2.0 h
- Testing3.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,224.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2019-18242 — 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-2019-18242 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
- No spam, self-promotion, credentials, or personal data