Ip Phone Multiplatform FirmwareOperating system · Cisco
CVE-2018-0341
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 · uneditedA vulnerability in the web-based UI of Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware before 11.2(1) could allow an authenticated, remote attacker to perform a command injection and execute commands with the privileges of the web server. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by including arbitrary shell commands in a specific user input field. Cisco Bug IDs: CSCvi51426.
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 confidenceCommand injection vulnerability in the web-based management UI of Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware. An authenticated attacker can inject arbitrary shell commands through insufficiently validated user input fields, executing with web server privileges. The vulnerability exists in versions prior to 11.2(1).
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
Ip Phone Multiplatform FirmwareOperating system
= 11.1\(2\)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
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.0/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 phone modelAccess the phone's web-based management interface by navigating to the IP address of the device in a browser, or check the physical phone for the model number (6800, 7800, or 8800 series)Affected if The device is a Cisco IP Phone 6800, 7800, or 8800 Series with Multiplatform Firmware
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Determine the installed firmware versionLocate the firmware version information in the web-based management UI, typically under Administration > System > Software Version or a similar status page, or access it via the phone's administration menuAffected if The firmware version is 11.1(2) or any version prior to 11.2(1)
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Verify web-based management UI is enabledCheck the phone's web-based management UI settings, usually found under Administration > Web Server or similar security/network configuration sectionsAffected if The web-based management UI is enabled and accessible over the network
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Confirm authentication to web UI is possibleAttempt to access the login page of the web-based management interface using the device IP address, or verify that administrator credentials are configuredAffected if The web UI is accessible and accepts authentication credentials, allowing an attacker to log in and inject commands through user input fields
The environment is affected if the device is a Cisco IP Phone 6800, 7800, or 8800 Series running Multiplatform Firmware version 11.1(2) or any version prior to 11.2(1), with the web-based management UI enabled and 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 Cisco firmware update 11.2(1) or later to affected phone series. Restrict web UI access to trusted administrators only until the update is applied.
Fix this in Ip Phone Multiplatform Firmware
Scoped from the published advisory
- 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-2018-0341 — 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-2018-0341 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
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