{"id":"CVE-1999-0450","aliases":["EUVD-1999-0450","GHSA-9hg3-q33f-m995"],"status":"published","title":"In IIS, an attacker could determine a real path using a request for a non-existent URL that would...","description":"In IIS, an attacker could determine a real path using a request for a non-existent URL that would be interpreted by Perl (perl.exe).","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.19027,"percentile":0.97325,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"1999-01-26T05:00:00Z","modified":"2026-06-16T21:48:25Z","exploits":[{"source":"exploitdb","id":"EDB-19152","title":"Microsoft IIS 5.0 - IISAPI Extension Enumerate Root Web Server Directory","type":"remote","platform":"windows","date":"1999-01-26","verified":true,"url":"https://www.exploit-db.com/exploits/19152"}],"products":[{"vendor":"microsoft","product":"internet_information_server"},{"vendor":"microsoft","product":"internet_information_services"}],"references":[{"url":"http://www.securityfocus.com/bid/194","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-0450"},{"url":"https://github.com/advisories/GHSA-9hg3-q33f-m995"}],"sources":{"cve":[{"id":"CVE-1999-0450","description":"In IIS, an attacker could determine a real path using a request for a non-existent URL that would be interpreted by Perl (perl.exe).","status":"published","published":"2000-02-04T05:00:00Z","modified":"2024-08-01T16:41:44.86Z","updated_at":"2026-11-02T14:33:54.29664Z"}],"euvd":[{"id":"EUVD-1999-0450","description":"In IIS, an attacker could determine a real path using a request for a non-existent URL that would be interpreted by Perl (perl.exe).","status":"published","published":"2000-02-04T05:00:00Z","modified":"2024-08-01T16:41:44Z","updated_at":"2026-11-03T03:50:47.002367Z"}],"ghsa":[{"id":"GHSA-9hg3-q33f-m995","title":"In IIS, an attacker could determine a real path using a request for a non-existent URL that would...","description":"In IIS, an attacker could determine a real path using a request for a non-existent URL that would be interpreted by Perl (perl.exe).","status":"published","published":"2022-04-30T18:10:37Z","modified":"2023-01-30T05:04:28Z","updated_at":"2026-11-02T14:47:03.172978Z"}],"nvd":[{"id":"CVE-1999-0450","description":"In IIS, an attacker could determine a real path using a request for a non-existent URL that would be interpreted by Perl (perl.exe).","status":"published","published":"1999-01-26T05:00:00Z","modified":"2026-06-16T21:48:25.34Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T13:58:30.236077Z"}]}}