CVE-2024-37826
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 · uneditedA NULL pointer dereference in vercot Serva v4.6.0 allows attackers to cause a Denial of Service (DoS) via a crafted HTTP 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 · moderate confidenceA NULL pointer dereference vulnerability in vercot Serva v4.6.0 allows remote attackers to crash the application via specially crafted HTTP requests, resulting in denial of service. The vulnerability exists in the HTTP request handling code path.
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= 4.6.0CVSS 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 if Vercot Serva is installedCheck for Serva process running or look for Serva installation directories. On Windows, check Program Files for 'Serva' folder or check running services. On Linux, check /opt or standard application directories.Affected if Vercot Serva software is present on the system
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Verify the installed version is 4.6.0Check the Serva version through its interface, about page, or by examining version metadata in the installation directory. Common locations: help menu, version file, or executable properties.Affected if The installed version is exactly 4.6.0 (no other version is affected)
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Confirm HTTP request handling is enabledVerify that Serva's HTTP service is running and accessible. Check the Serva configuration to confirm HTTP ports are open and the web server component is active.Affected if HTTP service is enabled and reachable on the network
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Monitor for crash or denial of service eventsReview Serva application logs, system event logs, or HTTP server logs for sudden crashes, null pointer exceptions, or service interruptions. Check if the application has become unresponsive.Affected if The application has crashed or become unresponsive due to malformed HTTP requests
You are affected if Vercot Serva version 4.6.0 is running with HTTP request handling enabled, as this specific version contains the NULL pointer dereference flaw in its HTTP handling code path.
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 dataApply the vendor patch or update to Serva v4.6.0 or later. If no patch is available, consider deploying a reverse proxy or WAF to filter malformed requests while a fix is developed.
- Consultation3.0 h
- Implementation3.0 h
- Testing3.0 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 $3,120.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-37826 — 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-2024-37826 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
- No spam, self-promotion, credentials, or personal data