CVE-2023-39374
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 · uneditedForeScout NAC SecureConnector version 11.2 - CWE-427: Uncontrolled Search Path Element
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 confidenceForeScout NAC SecureConnector version 11.2 contains an uncontrolled search path element (CWE-427) vulnerability. This allows an attacker to potentially place malicious DLLs in locations where the application searches for libraries, causing arbitrary code execution with the privileges of the SecureConnector service.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= 11.2CVSS 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 checksWork through these to decide whether this CVE applies to you.
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Identify installed ForeScout SecureConnector versionCheck the Windows registry key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{DisplayName} for DisplayVersion, or right-click the SecureConnector.exe file in the installation directory and select Properties > Details to view FileVersionAffected if The version displayed is exactly 11.2
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Locate the SecureConnector installation directoryOpen Services.msc, find the Forescout SecureConnector service, right-click and select Properties to view the executable path, or check the registry key from the previous step for InstallLocationAffected if The installation path contains the SecureConnector executable and matches a version 11.2 installation
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Verify the SecureConnector service existsOpen Services.msc and look for a service named Forescout SecureConnector or SecureConnector, or run 'sc query' from command prompt to enumerate servicesAffected if The service exists and is installed on the system, indicating version 11.2 is deployed
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Inspect DLL search path for the applicationUse Process Monitor (from Sysinternals) to capture DLL load events for SecureConnector.exe, or check the application directory structure for any subdirectories with weak permissions that allow write access to non-admin usersAffected if The application loads DLLs from directories that are writable by standard users or that accept DLLs from untrusted locations
A system is affected if ForeScout SecureConnector version 11.2 is installed and the application or its service is present, since the uncontrolled search path vulnerability can be exploited to load malicious DLLs with service-level privileges.
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-supplied patches for version 11.2; if no patch exists, restrict file system permissions on directories in the application DLL search path and implement DLL search order enforcement via manifest or registry controls.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,600.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-39374 — 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-2023-39374 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
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