CVE-2021-33219
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 · uneditedAn issue was discovered in CommScope Ruckus IoT Controller 1.7.1.0 and earlier. There are Hard-coded Web Application Administrator Passwords for the admin and nplus1user accounts.
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 confidenceHardcoded administrative passwords exist in the web application for 'admin' and 'nplus1user' accounts in Ruckus IoT Controller 1.7.1.0 and earlier, allowing unauthenticated remote attackers to gain full administrative access to the IoT controller.
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<= 1.7.1.0CVSS 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
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/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 Ruckus IoT Controller installationLocate the Ruckus IoT Controller web application or service in your environment. Check for services listening on ports typically used by the IoT Controller (often 8443, 8080, or 443).Affected if The Ruckus IoT Controller software is present in your environment.
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Determine the installed versionAccess the web interface or check system files for the version number. Typically found in the administrative console under 'System' or 'About' sections, or via command line if you have server access.Affected if The installed version is 1.7.1.0 or earlier.
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Check for default administrative accountsInspect the user management section of the web interface or examine the user configuration database/files for accounts named 'admin' and 'nplus1user'. These accounts should not exist in a hardened environment.Affected if The accounts 'admin' and/or 'nplus1user' exist with default or unchanged passwords.
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Verify password complexity for default accountsIf the accounts exist, attempt to verify whether the passwords have been changed from defaults, or review authentication logs for brute force attempts targeting these accounts.Affected if The default hardcoded passwords have not been changed, or unusual login activity is observed for these accounts.
Your environment is affected if the Ruckus IoT Controller version is 1.7.1.0 or earlier and the default 'admin' and 'nplus1user' accounts with hardcoded passwords are still present or accessible.
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 dataImmediately change the hardcoded passwords to strong, unique values for both accounts, and update to a patched version if available from the vendor.
- Consultation3.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,304.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-33219 — 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-2021-33219 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
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