dbcve.org
Wireless Lan Controller SoftwareOperating system · Cisco

CVE-2014-0703

HIGH · 10.0 CVSS v2.0 Published 2014-03-06
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges 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
Cisco Wireless LAN Controller (WLC) devices 7.4 before 7.4.110.0 distribute Aironet IOS software with a race condition in the status of the administrative HTTP server, which allows remote attackers to bypass intended access restrictions by connecting to an Aironet access point on which this server had been disabled ineffectively, aka Bug ID CSCuf66202.

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

A race condition exists in Cisco WLC devices running software versions before 7.4.110.0 where the administrative HTTP server status is not properly maintained. When an administrator disables the HTTP server, a race condition can allow the server to remain accessible, enabling remote attackers to bypass intended access restrictions by connecting directly to an Aironet access point.

MitigationUpgrade Cisco WLC to software version 7.4.110.0 or later to resolve the race condition. Until upgraded, implement network segmentation to restrict access to the administrative interface and monitor for unauthorized access attempts.

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
Wireless Lan Controller SoftwareOperating system
Affected:= 7.4.100.0= 7.4.100.60
Wireless Lan ControllerHardware / appliance
Affected:all versions

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
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/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 checks

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

  1. Identify Cisco WLC device in your environment
    Locate Cisco Wireless LAN Controller hardware by reviewing network topology documentation, inventory lists, or by querying network devices for Cisco WLC model information using SNMP, CDP, or console access.
    Affected if A Cisco Wireless LAN Controller device is present in the network inventory or topology.
  2. Determine the running software version
    Access the WLC CLI and run the command 'show version' or access the web interface and check the Dashboard or About page to identify the exact software version number.
    Affected if The software version is 7.4.100.0, 7.4.100.60, or any 7.4.x version prior to 7.4.110.0.
  3. Verify HTTP administrative server status
    Access the WLC web interface, go to Management > HTTP/HTTPS, or use the CLI command 'show http' to check whether the HTTP server is currently enabled or disabled.
    Affected if The HTTP administrative server is in any state (enabled or disabled) - the race condition can cause the server to remain accessible even when disabled.
  4. Check network accessibility of Aironet access points
    Review network segmentation policies and test connectivity to Aironet AP management interfaces from untrusted networks. Use 'show ap config general' on the WLC to list connected APs and verify if direct management access is possible.
    Affected if Aironet access points are directly accessible from networks outside the administrative management VLAN, allowing attackers to reach the WLC HTTP interface indirectly.

Your environment is affected if you run Cisco WLC software versions 7.4.100.0, 7.4.100.60, or any 7.4.x version before 7.4.110.0, regardless of HTTP server configuration state.

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.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Upgrade Cisco WLC to software version 7.4.110.0 or later to resolve the race condition. Until upgraded, implement network segmentation to restrict access to the administrative interface and monitor for unauthorized access attempts.

Recommended fix High confidence

7.4.110.0 or later

  1. Download Cisco Wireless LAN Controller software version 7.4.110.0 or later from the Cisco download portal
  2. Review Cisco's WLC upgrade documentation for your specific hardware model
  3. Schedule a maintenance window as upgrades may cause brief network disruption
  4. Upload the new firmware to the WLC via the web interface or CLI
  5. Follow the standard Cisco WLC upgrade procedure to install the firmware
  6. After reboot, verify the HTTP server configuration is properly enforced by checking that disabled HTTP server settings take effect
  7. Confirm the WLC is functioning normally and wireless clients can connect
Caveat Firmware upgrades may cause brief network downtime; ensure compatibility with your specific WLC hardware model and review Cisco's release notes for any known issues before upgrading

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Wireless Lan Controller Software Scoped from the published advisory
  • Consultation4.0 h
  • Implementation6.0 h
  • Testing4.0 h
  • Review / QA2.0 h
16.0 hours of engineering $2,840
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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-2014-0703 in production — separate from our analysis above.

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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
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