CVE-2024-21966
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 DLL hijacking vulnerability in the AMD Ryzen™ Master Utility could allow an attacker to achieve privilege escalation, potentially resulting in arbitrary code execution.
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 DLL hijacking vulnerability exists in the AMD Ryzen Master Utility where the application loads Dynamic Link Libraries from an insecure location or without proper path validation. An attacker who can place a malicious DLL in a location from which the utility loads DLLs can cause the application to execute arbitrary code with the privileges of the running user, potentially achieving privilege escalation.
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
- Low
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/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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Verify AMD Ryzen Master is installedCheck for the presence of AMD Ryzen Master in the system. Common installation paths include C:\Program Files\AMD\RyzenMaster or C:\Program Files (x86)\AMD\RyzenMaster. Also check the Windows Programs and Features list.Affected if AMD Ryzen Master Utility is found installed on the system
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Identify installed versionLocate the executable (typically RyzenMaster.exe) and check its file properties for the version number, or look in the Windows registry under HKLM\SOFTWARE\WOW6432Node\AMD\RyzenMaster or HKLM\SOFTWARE\AMD\RyzenMaster for the installed version.Affected if The installed version matches or precedes the version that AMD has patched for this vulnerability (compare against AMD's official security advisory)
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Examine application directory permissionsRight-click the AMD Ryzen Master installation folder, go to Properties, then the Security tab. Check which users have Write or Modify permissions to the folder and its subfolders.Affected if Any non-admin user or group has Write or Modify access to directories from which the application loads DLLs
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Identify writable locations in DLL search pathUse Sysinternals Process Monitor or similar tool to monitor RyzenMaster.exe for DLL load operations. Identify any directories in the search path that are writable by standard users (including the application directory, system temp folders, or user-profile directories).Affected if The application loads DLLs from any directory that standard users can write to, enabling DLL hijacking
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Check for unexpected DLLs in application pathList all DLL files in the AMD Ryzen Master installation directory and compare against expected DLLs documented by AMD. Look for any recently added or unfamiliar DLLs.Affected if Unexpected or unsigned DLLs are present in directories from which the application loads libraries
If AMD Ryzen Master Utility is installed and there are writable directories in its DLL search path where an attacker could place a malicious DLL, the environment is likely affected by this vulnerability.
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-supplied patch for AMD Ryzen Master Utility when available. In the interim, restrict write access to directories in the application's DLL search path and ensure the application runs with only strictly necessary privileges.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-21966 — 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-2024-21966 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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- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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