{"cve_id":"CVE-2004-1464","published":"2004-12-31T05:00:00+00:00","last_modified":"2026-06-16T22:07:45.380000+00:00","vuln_status":"Analyzed","description":"Cisco IOS 12.2(15) and earlier allows remote attackers to cause a denial of service (refused VTY (virtual terminal) connections), via a crafted TCP connection to the Telnet or reverse Telnet port.","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","base_score":5.9,"base_severity":"MEDIUM","attack_vector":"NETWORK","privileges_req":"NONE","user_interaction":"NONE","scope":"UNCHANGED","impact_c":"NONE","impact_i":"NONE","impact_a":"HIGH","cwe_ids":["CWE-400"],"in_kev":true,"kev_date_added":"2023-05-19","kev_ransomware":false,"epss_score":0.0484,"epss_percentile":0.92007,"cap_rule_version":"0.1.1","stage":"IMPACT","req_access":"NONE","req_vector":"NETWORK","req_user_interaction":false,"grant_access":"NONE","caps":["DOS"],"terminal":true,"cap_confidence":"high","ingested_at":"2026-09-18T07:33:25.256016+00:00","first_seen":"2004-12-31T05:00:00+00:00","kev_first_seen":"2023-05-19T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["cisco"],"products":["ios"],"affected":[{"vendor":"cisco","product":"ios","ranges":["≤ 12.2\\(15\\)zj3"]}]}