CVE-2023-2331
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 · uneditedUnquoted service Path or Element vulnerability in 42Gears Surelock Windows SureLock Service (NixService.Exe) on Windows application will allows to insert arbitrary code into the service. This issue affects Surelock Windows : from 2.3.12 through 2.40.0.
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 confidenceThis is a Windows unquoted service path vulnerability in the SureLock Service (NixService.exe). When a service executable path contains spaces and is not enclosed in quotes, Windows interprets each space-separated term as a potential subdirectory or executable name. An attacker with local access can place a malicious executable in an intermediate path location (e.g., C:\Program.exe or C:\Program Files\42Gears\Malware.exe) that the service will attempt to execute, achieving SYSTEM-level privilege escalation.
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>= 2.3.12, < 2.41.0CVSS 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
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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 the SureLock service configurationOpen Command Prompt as Administrator and run: sc qc NixServiceAffected if The service exists and returns configuration details (if service not found, this CVE does not apply)
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Inspect the service executable path (binPath)Run: sc qc NixService and locate the BINARY_PATH_NAME lineAffected if The binPath contains spaces and is NOT enclosed in double quotes (e.g., C:\Program Files\42Gears\SureLock\NixService.exe without quotes)
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Identify the full executable pathExtract the full path from the binPath field (everything after the = sign)Affected if The path includes spaces and was not wrapped in quotes when configured
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Check installed SureLock versionRun: reg query "HKLM\SOFTWARE\42gears\SureLock" /v Version or check Programs and Features for 42gears SureLock versionAffected if The installed version is greater than or equal to 2.3.12 AND less than 2.41.0 (versions 2.3.12 through 2.40.x are affected)
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Verify intermediate path executables existFor an unquoted path like C:\Program Files\42Gears\SureLock\NixService.exe, check if C:\Program.exe, C:\Program Files\42Gears\Malware.exe, or similar intermediate executables existAffected if Any executable exists at an intermediate path location that matches a space-delimited term from the service path
Your environment is affected if the NixService is installed with an unquoted binPath containing spaces AND the installed SureLock version is between 2.3.12 and 2.40.x inclusive.
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.
dbcve · scoped2.41.0
Update to SureLock version 2.40.1 or later where the vendor has addressed the unquoted path. If patching is delayed, audit filesystem permissions on the service installation directory to prevent unauthorized placement of executables in intermediate path locations.
Surelock version 2.41.0 or later
- Backup the current Surelock installation and configuration before upgrading
- Download Surelock version 2.41.0 or later from the official 42Gears vendor website (www.42gears.com)
- Install the updated Surelock version 2.41.0 on the Windows system
- Verify that the NixService.exe service is properly configured with a quoted path after installation
- Restart the Windows system or the SureLock Service to ensure the changes take effect
- Confirm the service path is now properly quoted by reviewing the service configuration using 'sc qc NixService' command
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation1.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-2331 — 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-2023-2331 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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