{"cve":"CVE-2013-1235","nvd":{"published":"2013-05-04T03:24:41.720","modified":"2026-06-16T23:51:03.947","status":"Modified","description":"Cisco Wireless LAN Controller (WLC) devices do not properly address the resource consumption of terminated TELNET sessions, which allows remote attackers to cause a denial of service (TELNET outage) by making many TELNET connections and improperly ending these connections, aka Bug ID CSCug35507.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1235","http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1235"],"products":["cisco:2000_wireless_lan_controller","cisco:2100_wireless_lan_controller","cisco:2106_wireless_lan_controller","cisco:2112_wireless_lan_controller","cisco:2125_wireless_lan_controller","cisco:2500_wireless_lan_controller","cisco:2504_wireless_lan_controller","cisco:4100_wireless_lan_controller","cisco:4400_wireless_lan_controller","cisco:4402_wireless_lan_controller","cisco:4404_wireless_lan_controller","cisco:5500_wireless_lan_controller","cisco:7500_wireless_lan_controller","cisco:8500_wireless_lan_controller","cisco:airespace_4000_wireless_lan_controller","cisco:wireless_lan_controller"],"source":"nvd","synced_at":"2026-10-19T20:29:16.037019470+00:00"},"epss":{"cve":"CVE-2013-1235","score":0.01232,"percentile":0.68995,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}