Improper Input ValidationWeakness · CWE-20

CVE-2024-4175

MEDIUM · 5.4 CVSS v3.1 Published 2024-04-25
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
61/100
Remediation priority · Elevated
Remotely reachable No privileges

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 · unedited
Unicode 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 confidence

A 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.

MitigationUpgrade 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.

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 checks

Work through these to decide whether this CVE applies to you.

  1. Confirm Hyperion installation
    Identify if Hyperion software is present in your environment by checking for the Hyperion executable, service, or installation directory
    Affected if Hyperion is not installed - the vulnerability only affects Hyperion deployments
  2. Check Hyperion version
    Run 'hyperion --version' or check the installed package/version information to determine the exact version number
    Affected if Version is 2.0.15 or falls within an unpatched version range where the Unicode transformation issue exists
  3. Identify Unicode input processing
    Review application logs or configuration to determine if user-supplied input containing Unicode characters is processed by Hyperion
    Affected if Unicode characters in user input are processed without prior normalization
  4. Inspect Unicode handling configuration
    Check Hyperion configuration files for settings related to character encoding, normalization, or input validation that may control how Unicode is handled
    Affected if Unicode normalization is disabled or not configured, and input validation relies on character-by-character checks
  5. Test with Unicode-to-ASCII transformation
    If 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 it
    Affected 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.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Upgrade 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.

Have this fixed Scoped from the published advisory
  • Consultation3.0 h
  • Implementation6.0 h
  • Testing3.0 h
  • Review / QA2.0 h
14.0 hours of engineering $2,490
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Scan for this in your stack

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2024-4175 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • 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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