CVE-2024-9497
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 · uneditedDLL hijacking vulnerabilities, caused by an uncontrolled search path in the USBXpress 4 SDK installer can lead to privilege escalation and arbitrary code execution when running the impacted installer.
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 · high confidenceThe USBXpress 4 SDK installer suffers from DLL hijacking vulnerabilities due to an uncontrolled search path, allowing attackers to place malicious DLLs in locations where the installer will load them. This enables privilege escalation (likely from user to administrator/system) and arbitrary code execution during the installation process.
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
- Local
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/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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Check if USBXpress 4 SDK is installedSearch for USBXpress installation directories. Common paths: C:\Program Files\Silicon Labs\USBXpress or C:\Program Files (x86)\Silicon Labs\USBXpress. Use: Get-ChildItem -Path 'C:\Program Files*' -Recurse -Directory -ErrorAction SilentlyContinue | Where-Object {$_.Name -like '*USBXpress*'}Affected if USBXpress 4 SDK directory exists on the system
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Identify USBXpress SDK versionLocate the installer executable or installed DLLs within the USBXpress directory. Right-click the file, select Properties, then Details to view the File Version. Or use: Get-ChildItem -Path 'C:\Program Files*\USBXpress' -Recurse -Include *.dll,*.exe | Select-Object Name,VersionInfoAffected if The installed version is present and was installed using a vulnerable version of the USBXpress 4 SDK installer
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Inspect DLL search paths for suspicious filesExamine the USBXpress installation directory and parent directories for unexpected DLL files (e.g., not part of the standard SDK). Use: Get-ChildItem -Path 'C:\Program Files*\Silicon Labs' -Include *.dll -Recurse | Select-Object FullName,LastWriteTimeAffected if Unexpected or recently created DLL files exist in directories the installer uses for DLL loading
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Check installer execution historyReview Windows Event Viewer (Application and System logs) for USBXpress installation events, or check for installer log files in temp directories. Use: Get-WinEvent -FilterHashtable @{LogName='Application';ProviderName='MsiInstaller'} -MaxEvents 50 | Where-Object {$_.Message -like '*USBXpress*'} -ErrorAction SilentlyContinueAffected if The USBXpress 4 SDK installer was executed on the system
A system is affected if USBXpress 4 SDK is installed and the original vulnerable installer was used, especially if unauthorized DLLs exist in the installation search paths.
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 dataReplace the vulnerable USBXpress 4 SDK installer with a patched version from the vendor that properly secures DLL loading. If a patch is unavailable, implement controls to prevent unauthorized DLL placement in installer search paths and audit systems where this installer was run.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2024-9497 — 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-2024-9497 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