dbcve.org
Data Domain Operating SystemOperating system · Dell

CVE-2025-46641

MEDIUM · 6.6 CVSS v3.1 Published 2026-04-17
Fix available
A fix is available. Upgrade to after 8.5.0.0 or later.
See remediation →
72/100
Remediation priority · Elevated
Remotely reachable Zero-click

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
Dell PowerProtect Data Domain with Data Domain Operating System (DD OS) of Feature Release versions 8.4 through 8.5 contain an improper authentication vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access.

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 confidence

Dell PowerProtect Data Domain systems running DD OS versions 8.4 through 8.5 contain an improper authentication vulnerability that allows a high-privileged attacker with remote access to gain unauthorized access to the system.

MitigationUpgrade to a patched version of DD OS beyond 8.5, as indicated by Dell's security advisory. Restrict remote administrative access to trusted networks and monitor for privileged account misuse.

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
Data Domain Operating SystemOperating system
Affected:>= 8.4.0.0, <= 8.5.0.0

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
High
Privileges
High
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:H/PR:H/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 checks

Work through these to decide whether this CVE applies to you.

  1. Identify the DD OS version
    Run the system version command on the Data Domain CLI (typically 'version' or 'ddr version') or check via the management interface under System > Overview
    Affected if The displayed version falls within the range 8.4.0.0 to 8.5.0.0 (inclusive)
  2. Confirm the exact numeric version
    Compare the full version string (e.g., 8.4.5.0, 8.5.0.0) against the affected range >= 8.4.0.0 and <= 8.5.0.0
    Affected if The version is 8.4.0.0, 8.4.x.x, 8.5.0.0, or any version in between
  3. Determine if remote administrative access is enabled
    Review the Data Domain network configuration settings for enabled remote access protocols (SSH, GUI remote access, or API access)
    Affected if Remote administrative access is enabled and accessible from untrusted networks
  4. Audit high-privilege accounts
    List all accounts with administrative or root-level privileges using 'user list' or similar command in DD OS
    Affected if Multiple high-privileged accounts exist or unauthorized privileged accounts are present

The environment is affected if the installed DD OS version is 8.4.0.0 through 8.5.0.0 and remote administrative access is enabled.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 8.5.0.0
Interim mitigation

Upgrade to a patched version of DD OS beyond 8.5, as indicated by Dell's security advisory. Restrict remote administrative access to trusted networks and monitor for privileged account misuse.

Recommended fix Moderate confidence

DD OS version 8.6.0.0 or later (confirm the specific fixed release with Dell Support)

  1. 1. Identify the current Data Domain Operating System version using the 'version' command or through the Data Domain Management Suite (DDMS) console.
  2. 2. Schedule a maintenance window for the upgrade process.
  3. 3. Back up the current Data Domain configuration to ensure data safety.
  4. 4. Obtain the DD OS upgrade package from Dell Support (support.dell.com) - look for a version beyond 8.5.0.0.
  5. 5. Upload the upgrade package to the Data Domain system using the 'software upload' command or through the management interface.
  6. 6. Execute the upgrade using the 'software install' command, following the DD OS upgrade guide.
  7. 7. Verify the upgrade was successful by checking the new OS version with 'version'.
  8. 8. Validate that the system functionality is intact and the authentication vulnerability is resolved.
Caveat Review Dell upgrade documentation for any configuration changes required when moving from 8.4/8.5 to the fixed release; ensure compatibility with existing backup software integrations

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

Fix this in Data Domain Operating System Scoped from the published advisory
  • Consultation4.0 h
  • Implementation6.0 h
  • Testing4.0 h
  • Review / QA2.0 h
16.0 hours of engineering $2,840
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An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,544.

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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-2025-46641 in production — separate from our analysis above.

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • 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