CVE-2019-18238
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, sensitive information is stored in configuration files without encryption, which may allow an attacker to access an administrative account.
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 · high confidenceThe Moxa ioLogik 2500 series firmware (v3.0 and below) and IOxpress configuration utility (v2.3.0 and below) store sensitive information such as administrative credentials in plaintext within configuration files. An attacker who gains access to these configuration files can read the stored credentials and obtain administrative access to the device.
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
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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 modelAccess the device web interface or check the device label to confirm it is a Moxa ioLogik 2512 series model (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 device is any of the listed ioLogik 2512 variants
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Check the firmware versionLog into the device web interface and navigate to System Settings > Firmware Information, or use the IOxpress utility to query the device firmware versionAffected if The firmware version is 3.0 or lower
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Check the IOxpress utility versionOpen IOxpress on the configuration workstation and verify the version in the About or Help menuAffected if The IOxpress version is 2.3.0 or lower
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Inspect configuration file contentsIf you have access to exported configuration files from the device or IOxpress, open them in a text editor and look for stored username and password fields in the configuration dataAffected if Credentials appear in plaintext within the configuration file rather than being hashed or encrypted
A user is affected if they are running an ioLogik 2512 device with firmware version 3.0 or lower, or using IOxpress version 2.3.0 or lower, and those configuration files contain plaintext administrative credentials.
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 firmware to version 3.1 or higher and IOxpress to version 2.4 or higher. If upgrades are unavailable, immediately change all administrative passwords, implement network segmentation to limit access to device configuration files, and audit for any unauthorized access.
- Consultation4.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,488.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2019-18238 — 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-2019-18238 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