CVE-2025-23383
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 · uneditedDell Unity, version(s) 5.4 and prior, contain(s) an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Command execution and Elevation of privileges.
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 confidenceDell Unity storage systems version 5.4 and prior contain an OS Command Injection vulnerability allowing a low-privileged local attacker to execute arbitrary OS commands and elevate privileges. The vulnerability stems from improper neutralization of special elements in user input that gets passed to system command execution.
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< 5.5.0.0.5.259CVSS 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
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/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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Confirm Dell Unity storage systemIdentify if the target system is a Dell Unity storage array. Check system documentation, login to Unisphere management interface, or run 'uemcli -sys check' if available from the management host.Affected if System is not a Dell Unity storage array (not affected)
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Check Unity Operating Environment versionLogin to Unisphere or use CLI: 'uemcli -sys version show' or check via Service UI. The version displays as something like 5.4.x.x or 5.5.0.0.x.x.Affected if Version is 5.4 or prior (e.g., 5.4.0.0.x.x) - system is likely affected
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Compare against fixed versionCompare your installed version number to 5.5.0.0.5.259. If the version string is less than this (for example, 5.4.1.0.5.200 or any 5.4.x release), the system is within the vulnerable range.Affected if Version number is lower than 5.5.0.0.5.259 - system is affected
If the system is a Dell Unity storage array running Unity Operating Environment version 5.4 or any version below 5.5.0.0.5.259, it is vulnerable to this command injection flaw.
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.
dbcve · scoped5.5.0.0.5.259
Apply the vendor-supplied patch or firmware update for Dell Unity. Until an official fix is available, limit local access to trusted personnel and monitor for suspicious command execution.
Unity Operating Environment 5.5.0.0.5.259
- Verify current Unity Operating Environment version is below 5.5.0.0.5.259 by checking the system management interface or running: version show
- Schedule a maintenance window for the upgrade process
- Download the Unity Operating Environment update package version 5.5.0.0.5.259 from the official Dell support portal (support.dell.com)
- Apply the update following Dell's standard Unity OE upgrade procedures, typically via the Unisphere web interface or CLI
- After upgrade, verify the system is running version 5.5.0.0.5.259 or higher using: version show
- Confirm the vulnerability is resolved
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-23383 — 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-2025-23383 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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