{"cve_id":"CVE-2001-0500","published":"2001-07-21T04:00:00+00:00","last_modified":"2026-06-16T21:54:25.420000+00:00","vuln_status":"Modified","description":"Buffer overflow in ISAPI extension (idq.dll) in Index Server 2.0 and Indexing Service 2000 in IIS 6.0 beta and earlier allows remote attackers to execute arbitrary commands via a long argument to Internet Data Administration (.ida) and Internet Data Query (.idq) files such as default.ida, as commonly exploited by Code Red.","cvss_version":"2.0","cvss_vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","base_score":10.0,"base_severity":"HIGH","attack_vector":"NETWORK","privileges_req":"","user_interaction":"NONE","scope":"","impact_c":"COMPLETE","impact_i":"COMPLETE","impact_a":"COMPLETE","cwe_ids":[],"in_kev":false,"kev_date_added":null,"kev_ransomware":false,"epss_score":0.96731,"epss_percentile":0.99886,"cap_rule_version":"0.1.1","stage":"INITIAL_ACCESS","req_access":"NONE","req_vector":"NETWORK","req_user_interaction":false,"grant_access":"USER","caps":["CODE_EXEC"],"terminal":false,"cap_confidence":"medium","ingested_at":"2026-09-18T07:30:25.640805+00:00","first_seen":"2001-07-21T04:00:00+00:00","kev_first_seen":null,"novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["microsoft"],"products":["index_server","indexing_service","internet_information_server"],"affected":[{"vendor":"microsoft","product":"index_server","ranges":["2.0"]},{"vendor":"microsoft","product":"indexing_service","ranges":["all versions"]},{"vendor":"microsoft","product":"internet_information_server","ranges":["≤ 6.0"]}]}