dbcve.org
Data OntapOperating system · Netapp

CVE-2015-7746

CRITICAL · 9.8 CVSS v3.0 Published 2017-09-01
Fix available
A fix is available. Upgrade to after 8.2.3 or later.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click Patch available

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 · unedited
NetApp Data ONTAP before 8.2.4, when operating in 7-Mode, allows remote attackers to bypass authentication and (1) obtain sensitive information from or (2) modify volumes via vectors related to UTF-8 in the volume language.

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
How this class of weakness works · CWE-287

The mechanism that verifies who a user is can be side-stepped or fooled, letting an attacker act as someone they're not. Everything built on top of that identity then becomes untrustworthy. Fixing it means hardening the full authentication flow, including edge cases, tokens, and secondary paths.

General guidance for the improper authentication class — the official description and references above are authoritative for this specific CVE. Want a bespoke review and a reviewed fix? Ask our team →

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
Data OntapOperating system
Affected:<= 8.2.3

CVSS 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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

dbcve · scoped
Upgrade available Upgrade to a release after 8.2.3
Vendor patch kb.netapp.com →
Recommended fix High confidence

Data ONTAP 8.2.4 or later (latest 8.x stable release recommended)

  1. 1. Identify the current Data ONTAP version by running the 'version' command or checking the system console
  2. 2. Verify if the system is operating in 7-Mode by running the 'version' command - 7-Mode is indicated in the output
  3. 3. Plan for upgrade to Data ONTAP 8.2.4 or later (recommended: latest stable 8.x release)
  4. 4. Create a complete backup of the current configuration and verify data integrity
  5. 5. Review NetApp upgrade documentation and ensure prerequisites are met for the target version
  6. 6. Perform the upgrade following NetApp's documented upgrade procedure for 7-Mode
  7. 7. After upgrade, verify the system is running the new version with 'version' command
  8. 8. Test authentication functionality to confirm the vulnerability is resolved
Caveat Review NetApp release notes for 8.2.4 for any 7-Mode specific configuration or behavioral changes before upgrading

Generated from the published advisory — verify against the referenced sources before acting.

We can identify the exact fixed release, upgrade, and verify it in staging — typical engagement from $2,300. Get the upgrade done

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2015-7746 in production — separate from our analysis above.

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What this is

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What belongs here
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  • Version or environment caveats, and links to real fixes
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