Uncontrolled Search Path (DLL Hijack)Weakness · CWE-427

CVE-2024-53588

HIGH · 7.8 CVSS v3.1 Published 2025-01-23
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
81/100
Remediation priority · High
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
A DLL hijacking vulnerability in iTop VPN v16.0 allows attackers to execute arbitrary code via placing a crafted DLL file into the path \ProgramData\iTop VPN\Downloader\vpn6.

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 confidence

A DLL hijacking vulnerability in iTop VPN v16.0 allows attackers to execute arbitrary code by placing a crafted malicious DLL file into the path \ProgramData\iTop VPN\Downloader\vpn6. The application loads DLLs from this writable directory without proper path validation or verification, causing the attacker's DLL to be loaded with the application's privileges.

MitigationApply vendor security updates for iTop VPN v16.0. Until a patch is available, restrict write permissions on the \ProgramData\iTop VPN\Downloader\vpn6 directory to prevent unauthorized DLL placement, and implement secure DLL loading using absolute paths and digital signature verification.

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
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:N/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 checks

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

  1. Verify iTop VPN installation
    Check for iTop VPN installation by looking in Program Files, Program Files (x86), or checking the Windows registry under HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall for an iTop VPN entry
    Affected if iTop VPN v16.0 is installed on the system
  2. Confirm installed version
    Open the iTop VPN application and navigate to Help > About, or check the version in the registry or installation directory to confirm it is version 16.0
    Affected if The installed version is iTop VPN 16.0 exactly
  3. Check for vulnerable directory path
    Verify the existence of the directory \ProgramData\iTop VPN\Downloader\vpn6 using File Explorer or the command: dir /ad "C:\ProgramData\iTop VPN\Downloader\vpn6"
    Affected if The directory \ProgramData\iTop VPN\Downloader\vpn6 exists on the system
  4. Inspect directory permissions and contents
    Right-click the vpn6 folder, go to Properties > Security, and check which users have Write or Modify permissions. Also list all files in the directory using: dir "C:\ProgramData\iTop VPN\Downloader\vpn6"
    Affected if Non-admin users or untrusted accounts have Write or Modify permissions to the vpn6 directory, or if unexpected DLL files are present in this directory

A user is affected if iTop VPN v16.0 is installed and the \ProgramData\iTop VPN\Downloader\vpn6 directory is writable by untrusted users or contains unexpected DLL files that could be hijacked.

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

Apply vendor security updates for iTop VPN v16.0. Until a patch is available, restrict write permissions on the \ProgramData\iTop VPN\Downloader\vpn6 directory to prevent unauthorized DLL placement, and implement secure DLL loading using absolute paths and digital signature verification.

Have this fixed Scoped from the published advisory
  • Consultation2.0 h
  • Implementation6.0 h
  • Testing3.0 h
  • Review / QA2.0 h
13.0 hours of engineering $2,290
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

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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-2024-53588 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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