The Web Administrator Interface on Cisco Wireless LAN Controller (WLC) devices allows remote authenticated users to cause a denial of service (device crash) by leveraging membership in the Full Manager managers group, Read Only managers group, or Lobby Ambassador managers group, and sending a request that (1) lacks a parameter value or (2) contains a malformed parameter value, aka Bug IDs CSCuh14313, CSCuh14159, CSCuh14368, and CSCuh14436.
Conclusion & alert: CVE-2013-3474 is rated Moderate Risk (48.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.24%). 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 | 0.52% | 1.24% | +0.72% |
| 2 | 2025-03-30 | 0.43% | 0.52% | +0.09% |
| 3 | 2025-03-29 | — | 0.43% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.3 | 2.0 | MEDIUM |
|
6.8 | 6.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cisco | wireless_lan_controller | — | cpe:2.3:h:cisco:wireless_lan_controller:*:*:*:*:*:*:*:* |