CVE-2025-54519
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 Doc Nav could allow a local 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 confidenceDLL hijacking vulnerability in Doc Nav allows a local attacker to place a malicious DLL in a directory where the application searches for DLLs, causing it to be loaded with elevated privileges and enabling arbitrary code execution.
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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Locate Doc Nav installation and versionSearch for docnav.exe on the system (e.g., dir /s C:\docnav.exe on Windows or find / -name '*docnav*' 2>/dev/null on Linux) and check the executable properties for version informationAffected if Doc Nav is found on the system and version cannot be verified as patched (no patch version data available)
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Verify executable directory is secureCheck the directory containing docnav.exe - verify it is NOT in user-accessible locations such as Downloads, Desktop, Temp folders, or shared/network directories accessible to other usersAffected if Doc Nav executable is located in a directory that untrusted local users can write to or control
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Identify DLL search paths used by Doc NavUse process monitoring tools (e.g., Process Monitor with DLL filters, or strace/ltrace on Linux) while launching Doc Nav to capture which directories it searches for DLLs during startupAffected if The DLL search path includes directories outside the application install directory, particularly user-writable paths
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Check for world-writable directories in DLL search pathsFor each directory identified in the DLL search path, check write permissions (on Windows: icacls <directory>; on Linux: ls -la <directory>) to determine if untrusted users can write files to those locationsAffected if Any directory in the DLL search path grants write access to untrusted local users (e.g., Everyone, Users, or world-writable permissions)
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Verify Doc Nav runs with elevated privilegesCheck if Doc Nav launches with administrator or elevated privileges by examining its process properties in Task Manager or using elevated process monitoringAffected if Doc Nav runs with elevated privileges (as administrator or with UAC elevation)
A user is affected if Doc Nav is installed, runs with elevated privileges, and has world-writable directories in its DLL search path that a local attacker could exploit for DLL hijacking.
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 vendor patch when available; until then, ensure Doc Nav runs from controlled directories and remove world-writable directories from DLL search paths.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA3.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-54519 — 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-2025-54519 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