CVE-2016-8209
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 · uneditedImproper checks for unusual or exceptional conditions in Brocade NetIron 05.8.00 and later releases up to and including 06.1.00, when the Management Module is continuously scanned on port 22, may allow attackers to cause a denial of service (crash and reload) of the management module.
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 confidenceBrocade NetIron firmware versions 05.8.00 through 06.1.00 contain improper error handling for unusual or exceptional conditions when the Management Module is continuously scanned on port 22 (SSH). This can trigger a crash and reload of the management module, causing denial of service.
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 dataall versionsall versionsall versionsall versionsCVSS 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
- None
- Integrity
- None
- Availability
- High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 the NetIron product modelExecute 'show version' or 'show hardware' to confirm the device is an MLX, CER, CES, or XMR series routerAffected if Device is any of these series and firmware version falls within vulnerable range
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Determine the running firmware versionExecute 'show version' and look for the firmware version number displayed in the output (for example: 05.8.00, 06.0.00, 06.1.00)Affected if Version is 05.8.00, 05.9.00, 05.10.00, 06.0.00, or 06.1.00 (any version between 05.8.00 and 06.1.00 inclusive)
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Verify SSH service is enabled on the management interfaceExecute 'show ip ssh' or 'show running-config | include ssh' to check if SSH server is configured and enabledAffected if SSH is enabled and port 22 is listening for management connections
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Confirm management access is reachable on port 22From an external host, attempt a TCP connection to port 22 of the device management IP, or review firewall/ACL rules that may permit port 22 trafficAffected if Port 22 is exposed to untrusted networks or directly reachable from management stations scanning the device
The device is affected if it is a NetIron MLX, CER, CES, or XMR series running firmware version 05.8.00 through 06.1.00 with SSH management enabled and port 22 reachable.
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 dataUpgrade to a Brocade NetIron firmware version beyond 06.1.00, and restrict SSH (port 22) management access to trusted management networks using ACLs or firewall rules to reduce attack surface.
- Consultation2.0 h
- Implementation4.0 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 $2,560.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2016-8209 — 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-2016-8209 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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