Smart Software Manager SatelliteApplication · Cisco
CVE-2021-1139
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 · uneditedMultiple vulnerabilities in the web UI of Cisco Smart Software Manager Satellite could allow an unauthenticated, remote attacker to execute arbitrary commands on the underlying operating system. For more information about these vulnerabilities, see the Details section of this advisory.
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 confidenceMultiple command injection vulnerabilities in the web UI of Cisco Smart Software Manager Satellite allow an unauthenticated, remote attacker to execute arbitrary operating system commands by injecting malicious payloads through unsanitized input fields in the web interface.
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
Smart Software Manager SatelliteApplication
<= 5.1.0CVSS 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 the installed version of Cisco Smart Software Manager SatelliteAccess the web UI and navigate to the System or About page to view the software version, or use the CLI command 'show version' if you have shell access to the satellite serverAffected if The displayed version is 5.1.0 or any earlier version (any release <= 5.1.0)
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Verify if the web UI interface is enabled and accessibleAttempt to access the Cisco Smart Software Manager Satellite web interface via HTTP/HTTPS using the server hostname or IP address. Confirm the login page or web portal loadsAffected if The web UI is reachable and responds with the application login or interface
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Confirm network exposure of the web interfaceCheck network configuration or firewall rules to determine if the web UI port (typically 443 HTTPS) is open to untrusted networks or the internetAffected if The web UI port is exposed to networks outside the trusted internal environment
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Review application logs for suspicious input patternsExamine web server logs or application logs in the satellite installation directory for entries containing shell metacharacters (such as ; | & $ or command substitution syntax) in input fieldsAffected if Logs show any evidence of command injection attempts with malicious payloads in web form fields
You are affected if your installed Cisco Smart Software Manager Satellite version is 5.1.0 or lower AND the web UI is accessible (even internally).
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 the vendor-provided security patches for Cisco Smart Software Manager Satellite. If patches are unavailable, restrict network access to the web UI interface and implement additional input validation at network perimeter devices.
Fix this in Smart Software Manager Satellite
Scoped from the published advisory
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $6,176.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-1139 — 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-2021-1139 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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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.
- 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