{"cve":"CVE-2004-1464","nvd":{"published":"2004-12-31T05:00:00.000","modified":"2026-06-16T22:07:45.380","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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","score":5.9},"cwes":["CWE-400"],"references":["http://secunia.com/advisories/12395/","http://securitytracker.com/id?1011079","http://www.cisco.com/warp/public/707/cisco-sa-20040827-telnet.shtml","http://www.kb.cert.org/vuls/id/384230","http://www.securityfocus.com/bid/11060"],"products":["cisco:ios"],"source":"nvd","synced_at":"2026-10-19T19:37:11.487553034+00:00"},"epss":{"cve":"CVE-2004-1464","score":0.0484,"percentile":0.92008,"date":"2026-10-31"},"kev":{"cve":"CVE-2004-1464","date_added":"2023-05-19","due_date":"2023-06-09","vendor":"Cisco","product":"IOS","known_ransomware":false},"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."]}