CVE-2023-44218
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 flaw within the SonicWall NetExtender Pre-Logon feature enables an unauthorized user to gain access to the host Windows operating system with 'SYSTEM' level privileges, leading to a local privilege escalation (LPE) vulnerability.
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 flaw in the SonicWall NetExtender Pre-Logon feature allows an unauthorized local user to escalate privileges to SYSTEM level on Windows hosts, enabling full control of the operating system.
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<= 10.2.336CVSS 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.
-
Verify NetExtender installationCheck for NetExtender installation directory (typically in Program Files) or look for it in Add/Remove Programs on Windows hostsAffected if NetExtender software is found on the system
-
Check installed NetExtender versionOpen NetExtender client and navigate to About/Help section, or check the executable file properties for the version numberAffected if Version is 10.2.336 or earlier (any version <= 10.2.336)
-
Confirm Pre-Logon feature is enabledCheck NetExtender client settings or Windows services for the Pre-Logon (or Auto-logon) feature configuration - look for settings that enable authentication before Windows logonAffected if Pre-Logon/Auto-logon feature is enabled in NetExtender configuration
-
Inspect for privilege escalation indicatorsReview running processes in Task Manager or via command line tools - look for NetExtender-related processes running under SYSTEM or elevated privileges that were not intentionally launched by an administratorAffected if NetExtender processes are running as SYSTEM or with elevated privileges from an unprivileged user context
User is affected if NetExtender version 10.2.336 or earlier is installed with the Pre-Logon feature enabled, allowing any local user to potentially gain SYSTEM-level access.
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 available vendor patches for SonicWall NetExtender; until patched, restrict physical/logical access to machines with NetExtender installed and monitor for unauthorized access attempts.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 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 $5,120.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-44218 — 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-2023-44218 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
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
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.
- 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