CVE-2023-34126
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 · uneditedVulnerability in SonicWall GMS and Analytics allows an authenticated attacker to upload files on the underlying filesystem with root privileges. This issue affects GMS: 9.3.2-SP1 and earlier versions; Analytics: 2.5.0.4-R7 and earlier versions.
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 confidenceAuthenticated file upload vulnerability in SonicWall GMS and Analytics allows attackers with valid credentials to write arbitrary files to the filesystem with root privileges, potentially leading to complete system compromise.
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<= 2.5.0.4-r7< 9.3.2= 9.3.2CVSS 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
- Network
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/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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Identify installed SonicWall GMS versionAccess the GMS admin interface and navigate to About/GMS Settings to view the version number, or run 'mysql -u admin -p -e "select version from gms_server"' against the GMS database if you have database accessAffected if Version is less than 9.3.2 (any version < 9.3.2 or exactly 9.3.2)
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Identify installed SonicWall Analytics versionAccess the Analytics admin interface and navigate to About to view the version number, or check the installed RPM/package version on the host systemAffected if Version is 2.5.0.4-r7 or earlier (any version <= 2.5.0.4-r7)
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Verify admin interface network exposureReview firewall rules and access control lists to determine whether the SonicWall admin web interface (typically ports 443, 8443) is accessible from untrusted networks or the internetAffected if Admin interface is reachable from networks outside the trusted administrative zone (e.g., internet-facing)
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Check for unauthorized file upload attemptsSearch GMS/Analytics server logs for anomalous file upload patterns: look for POST requests to upload endpoints with unusual file extensions, multiple uploads in short succession, or uploads to unexpected directoriesAffected if Log review reveals file upload activity that was not initiated by legitimate administrators
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Inspect admin user accounts for compromiseReview the GMS/Analytics user database for unauthorized administrative accounts or modifications to existing admin accounts that may indicate prior exploitationAffected if Unexpected admin accounts exist or legitimate admin account credentials have been changed without authorization
Your environment is affected if you run GMS version < 9.3.2 or = 9.3.2, or Analytics version <= 2.5.0.4-r7, and the admin interface is accessible beyond trusted networks.
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 data9.3.2
Upgrade to patched versions of GMS and Analytics; if patching is not immediately possible, restrict administrative access to trusted IP addresses and monitor for unauthorized file upload activities.
- Consultation4.0 h
- Implementation16.0 h
- Testing8.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $8,960.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-34126 — 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-2023-34126 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