CVE-2024-4175
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 · uneditedUnicode transformation vulnerability in Hyperion affecting version 2.0.15. This vulnerability could allow an attacker to send a malicious payload with Unicode characters that will be replaced by ASCII characters.
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 · low confidenceA Unicode transformation vulnerability in Hyperion version 2.0.15 allows attackers to send malicious payloads containing Unicode characters that get replaced by ASCII characters during processing, potentially bypassing input validation or security controls.
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
- Required
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
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 Hyperion installationIdentify if Hyperion software is present in your environment by checking for the Hyperion executable, service, or installation directoryAffected if Hyperion is not installed - the vulnerability only affects Hyperion deployments
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Check Hyperion versionRun 'hyperion --version' or check the installed package/version information to determine the exact version numberAffected if Version is 2.0.15 or falls within an unpatched version range where the Unicode transformation issue exists
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Identify Unicode input processingReview application logs or configuration to determine if user-supplied input containing Unicode characters is processed by HyperionAffected if Unicode characters in user input are processed without prior normalization
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Inspect Unicode handling configurationCheck Hyperion configuration files for settings related to character encoding, normalization, or input validation that may control how Unicode is handledAffected if Unicode normalization is disabled or not configured, and input validation relies on character-by-character checks
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Test with Unicode-to-ASCII transformationIf possible, submit test input containing Unicode characters (such as homoglyphs or lookalike characters) that could transform to ASCII characters during processing and observe how the system handles itAffected if Unicode characters are transformed to different ASCII characters and the transformed input bypasses existing validation logic
You are affected if Hyperion version 2.0.15 (or an unpatched version) is installed and Unicode user input is processed without proper normalization before validation.
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 dataUpgrade to a patched version of Hyperion if available, or implement proper Unicode normalization and validation before processing user input to prevent character transformation-based bypasses.
- 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-2024-4175 — 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-2024-4175 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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