CVE-2017-12421
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 · uneditedNetApp Clustered Data ONTAP 8.3.x before 8.3.2P12 allows remote authenticated users to execute arbitrary code on the storage controller via unspecified vectors.
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 confidenceThis is a remote code execution vulnerability in NetApp Clustered Data ONTAP storage systems. Authenticated remote attackers can execute arbitrary code on the storage controller via unspecified vectors in versions 8.3.x before 8.3.2P12.
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= 8.3= 8.3.1= 8.3.2= 8.3.2p11CVSS 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:3.0/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 the NetApp storage productLog into the storage system and check the product name. In Clustered Data ONTAP, you can run 'system node show' or check the cluster version with 'version' command.Affected if The product is not Clustered Data ONTAP (this CVE only affects that specific product)
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Check the Clustered Data ONTAP versionRun the 'version' command or 'system node image show' to display the installed ONTAP version. Compare the version number to the affected range.Affected if The installed version is 8.3, 8.3.1, 8.3.2, or 8.3.2p11 (versions before 8.3.2P12 are vulnerable)
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Confirm the 8.3.x release lineVerify the major.minor version is 8.3.x by running 'system node image show' which displays detailed version information including the release patch level.Affected if The version begins with 8.3 and the patch level is below P12
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Assess remote management accessReview network configuration to determine if management interfaces (ONTAP APIs, SSH, Web UI) are accessible from untrusted networks. Check firewall rules and cluster management LIF accessibility.Affected if Management interfaces are exposed to untrusted networks where external attackers could authenticate
You are affected if you are running NetApp Clustered Data ONTAP version 8.3, 8.3.1, 8.3.2, or 8.3.2p11 (any version before 8.3.2P12) with remote management access enabled.
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 NetApp patch 8.3.2P12 or later to affected Clustered Data ONTAP 8.3.x installations. If immediate patching is not possible, restrict network access to management interfaces and limit authenticated user access to only essential personnel.
- Consultation4.0 h
- Implementation8.0 h
- Testing8.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2017-12421 — 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-2017-12421 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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