CVE-2024-56455
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 · uneditedVulnerability of input parameters not being verified during glTF model loading in the 3D engine module Impact: Successful exploitation of this vulnerability may affect availability.
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 confidenceThe vulnerability exists in the 3D engine module where input parameters are not validated during glTF model loading. This improper input validation could allow specially crafted glTF files to cause issues, potentially leading to denial of service by affecting system availability.
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= 5.0.0CVSS 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
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:L/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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Confirm HarmonyOS versionCheck the device or system information to identify the installed HarmonyOS version. On Huawei devices, go to Settings > About Phone > Version, or use 'getprop ro.build.version.harmonyos' via ADB if available.Affected if The installed version is exactly 5.0.0 (not 5.0.1 or later)
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Identify 3D engine module usageReview application dependencies or system modules to determine if the 3D engine (often part of graphics, AR, or gaming frameworks) is in use. Check for any loaded libraries related to 3D rendering or model loading.Affected if The 3D engine module is present and loaded on the system
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Detect glTF file processingMonitor or inspect application logs, file access patterns, or network traffic for glTF model file loading operations. Check if applications load .gltf or .glb (binary glTF) files from external sources.Affected if The system or any application processes loads glTF model files from untrusted sources
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Check for abnormal behaviorReview system logs, crash reports, or stability monitors for crashes, hangs, or service disruptions that coincide with glTF file loading. Look for entries mentioning the 3D engine, glTF parsing, or graphics module failures.Affected if There are unexplained crashes or availability issues occurring during or after glTF model loading
A user is affected if their HarmonyOS version is exactly 5.0.0 AND they use the 3D engine to load glTF files from potentially untrusted sources, or if they observe crashes linked to glTF processing.
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 proper input validation and parameter checking during glTF model loading to ensure all parameters are within expected bounds and formats before processing.
- Consultation3.0 h
- Implementation6.0 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 $3,984.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-56455 — 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-2024-56455 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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