Virtualization Experience Client 6000 Series FirmwareOperating system · Cisco
CVE-2015-4186
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 · uneditedThe diagnostics subsystem in the administrative web interface on Cisco Virtualization Experience (aka VXC) Client 6215 devices with firmware 11.2(27.4) allows local users to gain privileges for OS command execution via a crafted option value, aka Bug ID CSCug54412.
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 confidenceThis is a local privilege escalation vulnerability in the diagnostics subsystem of the Cisco VXC Client 6215 administrative web interface (firmware 11.2(27.4)). An authenticated local user can inject OS commands through a crafted option value in the diagnostics feature, gaining elevated privileges. The attack requires local access and valid credentials for the admin 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
Virtualization Experience Client 6000 Series FirmwareOperating system
= 11.2\(27.4\)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
- Local
- Complexity
- Low
- Authentication
- None
- Confidentiality
- Complete
- Integrity
- Complete
- Availability
- Complete
AV:L/AC:L/Au:N/C:C/I:C/A:C
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 Cisco VXC Client modelLocate the physical device or check inventory documentation for the model number Cisco VXC Client 6215Affected if The device model is Cisco VXC Client 6215
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Check the firmware versionAccess the administrative web interface and navigate to the system information or firmware version section, or use the CLI command to display the firmware version (typically 'show version' or through the web UI status page)Affected if The installed firmware version is exactly 11.2(27.4)
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Verify the diagnostics subsystem is enabledLog into the admin web interface and navigate to the diagnostics feature area (usually under Maintenance or System Tools). Check if the diagnostics subsystem is active or can be accessedAffected if The diagnostics subsystem is enabled and accessible in the admin interface
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Confirm admin web interface accessibilityAttempt to access the administrative web interface via HTTP/HTTPS on the default ports (typically 80/443 or 8080/8443) to verify the interface is reachableAffected if The admin web interface is accessible on the network
You are affected if you have a Cisco VXC Client 6215 running firmware version 11.2(27.4) with the diagnostics subsystem enabled and the admin web interface accessible.
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 firmware update when available. Until then, restrict administrative web interface access to trusted personnel only and disable the diagnostics subsystem if not required for operations.
Fix this in Virtualization Experience Client 6000 Series Firmware
Scoped from the published advisory
- Consultation2.0 h
- Implementation1.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2015-4186 — 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-2015-4186 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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