CVE-2018-7772
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 · uneditedThe vulnerability exists within processing of applets which are exposed on the web service in Schneider Electric U.motion Builder software versions prior to v1.3.4. The underlying SQLite database query to determine whether a user is logged in is subject to SQL injection on the loginSeed parameter, which can be embedded in the HTTP cookie of the request.
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 confidenceSQL injection vulnerability in Schneider Electric U.motion Builder web service where the loginSeed parameter in HTTP cookies is not properly sanitized before being used in SQLite database queries for user authentication verification, allowing attackers to manipulate query logic and potentially bypass authentication.
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< 1.3.4CVSS 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
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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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Verify U.motion Builder installationLocate the U.motion Builder installation directory or check system services for the U.motion Builder web service process.Affected if U.motion Builder is installed and running as a service.
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Identify installed versionCheck the software version of U.motion Builder by inspecting the application executable, about dialog, or version file in the installation directory. Compare the version number to the affected range (anything below 1.3.4).Affected if The installed version is lower than 1.3.4.
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Confirm web service accessibilityDetermine if the U.motion Builder web interface (typically on port 8080 or 8443) is exposed and accessible on the network by checking listening ports and firewall rules.Affected if The web service is accessible remotely or on an open network interface.
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Verify vulnerable parameter handlingInspect HTTP traffic to the U.motion Builder login endpoint and confirm the loginSeed cookie parameter is being processed by the backend SQLite database without visible sanitization in server logs or responses.Affected if The loginSeed cookie parameter is used in authentication queries without proper input validation.
You are affected if U.motion Builder version is below 1.3.4 and the web service is accessible, allowing the loginSeed cookie parameter to be manipulated for SQL injection.
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 data1.3.4
Upgrade to U.motion Builder v1.3.4 or later which patches the SQL injection vulnerability in the loginSeed parameter handling. If immediate upgrade is not possible, consider restricting network access to the affected web service.
- Consultation4.0 h
- Implementation8.0 h
- Testing8.0 h
- Review / QA4.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2018-7772 — 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-2018-7772 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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