{"id":"CVE-2000-0649","aliases":["EUVD-2000-0645","GHSA-rv5h-jg6x-f3vp"],"status":"published","title":"IIS 4.0 allows remote attackers to obtain the internal IP address of the server via an HTTP 1.0...","description":"IIS 4.0 allows remote attackers to obtain the internal IP address of the server via an HTTP 1.0 request for a web page which is protected by basic authentication and has no realm defined.","severity":{"version":"2.0","score":2.6,"vector":"AV:N/AC:H/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.76558,"percentile":0.99544,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-200"],"published":"2000-07-13T04:00:00Z","modified":"2026-06-16T21:52:11Z","exploits":[{"source":"exploitdb","id":"EDB-20096","title":"Microsoft IIS 2.0/3.0/4.0/5.0/5.1 - Internal IP Address Disclosure","type":"remote","platform":"windows","date":"2000-07-13","verified":true,"url":"https://www.exploit-db.com/exploits/20096"},{"source":"metasploit","id":"auxiliary/scanner/http/iis_internal_ip","title":"Microsoft IIS HTTP Internal IP Disclosure","type":"auxiliary","verified":true,"url":"https://www.rapid7.com/db/modules/auxiliary/scanner/http/iis_internal_ip"},{"source":"pocgithub","id":"Downgraderz/PoC-CVE-2000-0649","title":"Downgraderz/PoC-CVE-2000-0649","date":"2024-06-18","url":"https://github.com/Downgraderz/PoC-CVE-2000-0649"},{"source":"pocgithub","id":"rafaelh/CVE-2000-0649","title":"rafaelh/CVE-2000-0649","date":"2021-02-11","url":"https://github.com/rafaelh/CVE-2000-0649"},{"source":"pocgithub","id":"stevenvegar/cve-2000-0649","title":"stevenvegar/cve-2000-0649","date":"2021-10-25","url":"https://github.com/stevenvegar/cve-2000-0649"}],"products":[{"vendor":"microsoft","product":"internet_information_server"},{"vendor":"microsoft","product":"internet_information_services"}],"references":[{"url":"http://archives.neohapsis.com/archives/ntbugtraq/2000-q3/0025.html","tags":["mailing-list","x_refsource_NTBUGTRAQ","x_transferred","Exploit","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/1499","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2000-0649"},{"url":"https://github.com/advisories/GHSA-rv5h-jg6x-f3vp"}],"sources":{"cve":[{"id":"CVE-2000-0649","description":"IIS 4.0 allows remote attackers to obtain the internal IP address of the server via an HTTP 1.0 request for a web page which is protected by basic authentication and has no realm defined.","status":"published","published":"2000-08-03T04:00:00Z","modified":"2024-08-08T05:28:41.358Z","updated_at":"2026-11-02T14:33:41.553118Z"}],"euvd":[{"id":"EUVD-2000-0645","description":"IIS 4.0 allows remote attackers to obtain the internal IP address of the server via an HTTP 1.0 request for a web page which is protected by basic authentication and has no realm defined.","status":"published","published":"2000-08-03T04:00:00Z","modified":"2024-08-08T05:28:41Z","updated_at":"2026-11-03T00:56:24.256161Z"}],"ghsa":[{"id":"GHSA-rv5h-jg6x-f3vp","title":"IIS 4.0 allows remote attackers to obtain the internal IP address of the server via an HTTP 1.0...","description":"IIS 4.0 allows remote attackers to obtain the internal IP address of the server via an HTTP 1.0 request for a web page which is protected by basic authentication and has no realm defined.","status":"published","published":"2022-04-30T18:14:02Z","modified":"2023-01-30T05:05:05Z","cwes":["CWE-200"],"updated_at":"2026-11-02T14:47:11.556895Z"}],"nvd":[{"id":"CVE-2000-0649","description":"IIS 4.0 allows remote attackers to obtain the internal IP address of the server via an HTTP 1.0 request for a web page which is protected by basic authentication and has no realm defined.","status":"published","published":"2000-07-13T04:00:00Z","modified":"2026-06-16T21:52:11.267Z","cvss":[{"version":"2.0","score":2.6,"vector":"AV:N/AC:H/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T13:59:02.365657Z"}]}}