CVE-2024-39577
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 SmartFabric OS10 Software, versions 10.5.6.x, 10.5.5.x, 10.5.4.x, 10.5.3.x, contains an Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability leading to code execution.
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 confidenceDell SmartFabric OS10 versions 10.5.3.x through 10.5.6.x contain a command injection vulnerability allowing a low-privileged remote attacker to execute arbitrary code via improper neutralization of special elements in system commands. This affects the network fabric operating system used in Dell infrastructure products.
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>= 10.5.3.0, < 10.5.3.11>= 10.5.4.0, < 10.5.4.12>= 10.5.5.0, < 10.5.5.11>= 10.5.6.0, < 10.5.6.4CVSS 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:3.1/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 installed OS10 versionRun 'show version' or 'system-info' command in the OS10 CLI to retrieve the firmware versionAffected if Version falls within any of these ranges: 10.5.3.0-10.5.3.10, 10.5.4.0-10.5.4.11, 10.5.5.0-10.5.5.10, or 10.5.6.0-10.5.6.3
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Verify management interface exposureCheck network configuration for mgmt0 or management interface settings using 'show interface mgmt0' or 'show ip management' - determine if it is reachable from untrusted networksAffected if Management interface has an IP address in a publicly routable range or is accessible without network segmentation
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Confirm remote access services statusReview enabled services using 'show services' or check SSH/CLI access configurationAffected if Remote CLI or API access is enabled and accessible to low-privileged users over the network
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Check for unauthorized command executionReview system logs and audit logs for suspicious commands, especially those containing shell metacharacters (;, |, &, $ , `) in command history or system event logsAffected if Logs show commands or scripts executed by low-privileged users that contain unexpected system command patterns
The environment is affected if the installed OS10 version matches any of the four vulnerable version ranges AND the management interface is network-accessible to remote attackers.
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 · scoped10.5.3.1110.5.4.1210.5.5.11
Apply vendor-supplied patches or firmware updates from Dell when available; until then, restrict network access to management interfaces and monitor for indicators of compromise.
Upgrade to minimum fixed version: 10.5.6.4 (if on 10.5.6.x), 10.5.5.11 (if on 10.5.5.x), 10.5.4.12 (if on 10.5.4.x), or 10.5.3.11 (if on 10.5.3.x)
- Identify the currently installed SmartFabric OS10 version using 'show version' or similar command
- Consult Dell SmartFabric OS10 upgrade documentation at dell.com/support for model-specific upgrade procedures
- Download the appropriate fixed version (10.5.6.4 or later for 10.5.6.x branch, 10.5.5.11 or later for 10.5.5.x branch, 10.5.4.12 or later for 10.5.4.x branch, 10.5.3.11 or later for 10.5.3.x branch) from Dell support portal
- Follow Dell's recommended upgrade procedure for your specific hardware platform, typically involving uploading the image and rebooting
- Verify the upgrade was successful by checking the new version with 'show version'
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,120.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-39577 — 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-2024-39577 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
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