{"cve":"CVE-2005-1021","nvd":{"published":"2005-05-02T04:00:00.000","modified":"2026-06-16T22:12:17.430","status":"Modified","description":"Memory leak in Secure Shell (SSH) in Cisco IOS 12.0 through 12.3, when authenticating against a TACACS+ server, allows remote attackers to cause a denial of service (memory consumption) via an incorrect username or password.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://secunia.com/advisories/14854","http://www.cisco.com/warp/public/707/cisco-sa-20050406-ssh.shtml","http://www.osvdb.org/15303","http://www.securityfocus.com/bid/13042","http://www.securitytracker.com/alerts/2005/Apr/1013655.html"],"products":["cisco:ios"],"source":"nvd","synced_at":"2026-10-19T19:38:22.000386253+00:00"},"epss":{"cve":"CVE-2005-1021","score":0.01832,"percentile":0.78888,"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."]}