The web framework on Cisco Wireless LAN Controller (WLC) devices does not properly validate configuration parameters, which allows remote authenticated users to cause a denial of service via a crafted HTTP request, aka Bug ID CSCuh81011.
Conclusion & alert: CVE-2013-6684 is rated Moderate Risk (47.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.92%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.10% | 0.92% | +0.83% |
| 2 | 2023-03-07 | 1.05% | 0.10% | -0.95% |
| 3 | 2022-02-04 | — | 1.05% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.0 | 6.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cisco | wireless_lan_controller | — | cpe:2.3:h:cisco:wireless_lan_controller:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6684 | Vendor Advisory |