CVE-2024-50640
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 · uneditedjeewx-boot 1.3 has an authentication bypass vulnerability in the preHandle function
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 confidencejeewx-boot 1.3 contains an authentication bypass vulnerability in the preHandle function, likely a Spring HandlerInterceptor method responsible for pre-request authentication checks. The vulnerability allows attackers to bypass authentication mechanisms and access protected resources without proper credentials.
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
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/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 jeewx-boot installationLocate jeewx-boot JAR files, WAR deployments, or running Java processes. Common paths include /opt/jeewx-boot, deployment directories in servlet containers, or search for files named jeewx-boot*.jarAffected if jeewx-boot is present in the environment
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Determine installed versionCheck version in pom.xml, build.gradle, version.properties, or the JAR manifest file (META-INF/MANIFEST.MF)Affected if version is 1.3 or falls within the affected range (no specific range provided, but 1.3 is confirmed affected)
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Locate preHandle functionSearch source code or decompiled classes for a HandlerInterceptor implementation with a preHandle method, typically in controllers or interceptor packagesAffected if preHandle method exists and handles authentication logic
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Verify authentication enforcementReview the preHandle implementation to confirm it validates credentials on all protected endpoints. Check if whitelist/blacklist logic properly rejects unauthenticated requestsAffected if preHandle contains incomplete or bypassed authentication checks (e.g., overly permissive whitelist, missing credential validation)
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Test authentication bypassSend requests to protected endpoints without credentials or with manipulated tokens/sessions. Observe if access is granted without proper authenticationAffected if protected resources are accessible without valid credentials
If jeewx-boot version 1.3 is running and the preHandle authentication interceptor can be bypassed, the environment is affected by CVE-2024-50640
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 dataImmediately restrict network access to the jeewx-boot service and implement proper authentication validation in the preHandle function to ensure all protected endpoints require valid authentication credentials.
- Consultation6.0 h
- Implementation4.0 h
- Testing6.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,664.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-50640 — 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-2024-50640 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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- Version or environment caveats, and links to real fixes
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