CVE-2023-4334
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 · uneditedBroadcom RAID Controller Web server (nginx) is serving private files without any authentication
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 confidenceThe Broadcom RAID Controller embeds an nginx-based web management interface that fails to enforce authentication, allowing remote unauthenticated attackers to access sensitive private files (configuration data, system files, potentially credentials) via direct URL requests. This represents a critical information disclosure vulnerability with CVSS 7.5 due to network-exploitable unauthorized file access.
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= 51.12.0-2779CVSS 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
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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 Broadcom RAID Controller web interface presenceLocate the nginx-based web management interface for the RAID controller. This is typically accessible via HTTP/HTTPS on the management IP of the RAID controller. Check network scans or documentation for systems running a web management interface on RAID controller IPs.Affected if The Broadcom RAID Controller web interface is network-accessible.
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Determine the web interface versionAccess the web management interface and locate the version information, typically found in the footer, About page, or in the HTTP headers/Server banner. Compare against version 51.12.0-2779.Affected if The installed version matches 51.12.0-2779 exactly.
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Verify authentication enforcement on the nginx interfaceAttempt to access sensitive endpoints without credentials. Common paths that should require authentication include configuration files, system logs, or management endpoints. Observe whether the server returns the requested content directly or redirects to a login page.Affected if Sensitive files or management endpoints are accessible without authentication.
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Check for exposed sensitive files via direct URLsProbe the web server for common sensitive paths such as /config, /logs, /etc/, /var/, or other directory traversal targets. Observe if the server returns configuration data, system files, or other private information without authentication.Affected if Private files or configuration data can be retrieved via unauthenticated HTTP requests.
The environment is affected if a Broadcom RAID Controller web interface at version 51.12.0-2779 is exposed on the network and allows unauthenticated access to sensitive files or management endpoints.
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 dataImplement authentication enforcement on the nginx web server or restrict network access to the management interface; apply vendor firmware updates if available.
- Consultation4.0 h
- Implementation6.0 h
- Testing3.0 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 $4,304.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-4334 — 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-2023-4334 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