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Secure Firewall Management CenterApplication · Cisco

CVE-2019-12690

HIGH · 7.2 CVSS v3.1 Published 2019-10-02
Fix available
A fix is available. Upgrade to 6.3.0.5 / 6.4.0.4 or later.
See remediation →
78/100
Remediation priority · High
Remotely reachable Zero-click

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 · unedited
A vulnerability in the web UI of the Cisco Firepower Management Center (FMC) could allow an authenticated, remote attacker to inject arbitrary commands that are executed with the privileges of the root user of the underlying operating system. The vulnerability is due to insufficient validation of user-supplied input to the web UI. An attacker could exploit this vulnerability by submitting crafted input in the web UI. A successful exploit could allow an attacker to execute arbitrary commands on the device with full root 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 confidence

Command injection vulnerability in Cisco FMC web UI allows authenticated remote attackers to inject and execute arbitrary OS commands with root privileges due to insufficient validation of user-supplied input.

MitigationApply the Cisco security patch for FMC; until patched, limit administrative access to trusted networks and monitor for unusual 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
Secure Firewall Management CenterApplication
Affected:< 6.3.0.5>= 6.4.0, < 6.4.0.4

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
Network
Complexity
Low
Privileges
High
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:H/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 checks

Work through these to decide whether this CVE applies to you.

  1. Identify the product as Cisco FMC
    Log into the device via SSH or console and run 'show version' or 'show inventory' to confirm the device is Cisco Secure Firewall Management Center (formerly Firepower Management Center)
    Affected if The device is not a Cisco FMC - this CVE only affects the FMC management center, not the managed devices themselves
  2. Check the installed FMC version
    Run 'show version' or access the web UI and navigate to Help > About to display the exact version number (for example, 6.2.3, 6.4.0.1, etc.)
    Affected if The version is less than 6.3.0.5 OR is greater than or equal to 6.4.0 but less than 6.4.0.4 - these fall within the vulnerable version ranges
  3. Verify the web UI is accessible
    Attempt to reach the FMC web UI at https://<fmc-hostname>/ using a browser or curl from an authorized host
    Affected if The web interface is exposed and accessible - the vulnerability is exploitable through the web UI interface
  4. Check for signs of command injection exploitation
    Review system logs (/var/log/messages or via the FMC web UI under System > Logs) for unusual commands, unexpected shell spawns, or entries containing suspicious characters like ';', '|', '`', or '$()' in what should be GUI form inputs
    Affected if Logs contain unexpected command executions, especially as root, or show commands originating from the web UI that were not initiated by an administrator
  5. Audit user accounts and sessions
    Use the FMC web UI (System > Users) or CLI to review recent administrative logins, checking for unauthorized accounts or sessions from unexpected IP addresses
    Affected if There are active sessions or recent logins from unknown IP addresses or unauthorized administrative accounts

You are affected if the device is a Cisco FMC running a version below 6.3.0.5 or between 6.4.0 and 6.4.0.3, and the web UI is accessible to untrusted networks or unauthorized users.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 data
Upgrade available Upgrade to 6.3.0.5 / 6.4.0.4 or later
Fixed in 6.3.0.56.4.0.4
Interim mitigation

Apply the Cisco security patch for FMC; until patched, limit administrative access to trusted networks and monitor for unusual command execution.

Fix this in Secure Firewall Management Center Scoped from the published advisory
  • Consultation4.0 h
  • Implementation4.0 h
  • Testing4.0 h
  • Review / QA2.0 h
14.0 hours of engineering $2,480
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,968.

Scan for this in your stack

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2019-12690 in production — separate from our analysis above.

No notes yet

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What this is

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.

What belongs here
  • 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