CVE-2024-6427
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 · uneditedUncontrolled Resource Consumption vulnerability in MESbook 20221021.03 version. An unauthenticated remote attacker can use the "message" parameter to inject a payload with dangerous JavaScript code, causing the application to loop requests on itself, which could lead to resource consumption and disable the application.
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 confidenceUnauthenticated remote attackers can send specially crafted payloads through the 'message' parameter, causing the MESbook application to recursively loop requests to itself, exhaust server resources, and render the application unavailable.
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= 20221021.03CVSS 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 if MESbook is installedCheck for MESbook processes, services, or web applications running on the server. Look for directories or services named 'mesbook' in process lists, installed programs, or web server configurations.Affected if MESbook application is present on the system
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Determine the installed MESbook versionLocate the MESbook application binaries, libraries, or configuration files and read the version information. Common locations include the application root directory, about dialog, or version file within the MESbook installation folder.Affected if The installed version is exactly 20221021.03
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Check if the message parameter is exposedIdentify if the MESbook web interface or API exposes a 'message' parameter that accepts user input. This is typically found in contact forms, feedback forms, or messaging features within the MESbook web application.Affected if The message parameter is accessible and accepts user input without requiring authentication
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Examine server logs for recursive request patternsReview web server access logs and MESbook application logs for patterns where the server is making repeated requests to itself through the message parameter endpoint. Look for consecutive requests from the same IP to the same endpoint in rapid succession.Affected if Logs show repeated self-requests to the message parameter endpoint indicating the vulnerability is being exploited or has been exploited
The environment is affected if MESbook version 20221021.03 is installed and the message parameter feature is exposed, as this specific version contains the flaw that allows unauthenticated recursive self-requests.
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 dataImplement strict input validation on the message parameter to sanitize or reject recursive/infinite loop-inducing payloads, and add request rate limiting to prevent self-request loops.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-6427 — 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-2024-6427 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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