{"id":"CVE-1999-1090","aliases":["AZL-53404","AZL-7381","EUVD-1999-1071","GHSA-qm92-mmrh-wpqr"],"status":"published","title":"The default configuration of NCSA Telnet package for Macintosh and PC enables FTP, even though it...","description":"The default configuration of NCSA Telnet package for Macintosh and PC enables FTP, even though it does not include an \"ftp=yes\" line, which allows remote attackers to read and modify arbitrary files.","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":"2026-11-10","score":0.01661,"percentile":0.76874,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"1991-09-10T04:00:00Z","modified":"2026-11-05T05:36:30Z","affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"telnet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.17-81"}]}]},{"source":"osv","ecosystem":"Azure Linux:2","package":"telnet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.17-81"}]}]}],"products":[{"vendor":"ncsa","product":"telnet"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/1844","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.cert.org/advisories/CA-1991-15.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","Patch","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-1090","tags":["web"]},{"url":"https://github.com/advisories/GHSA-qm92-mmrh-wpqr"}],"sources":{"cve":[{"id":"CVE-1999-1090","description":"The default configuration of NCSA Telnet package for Macintosh and PC enables FTP, even though it does not include an \"ftp=yes\" line, which allows remote attackers to read and modify arbitrary files.","status":"published","published":"2002-03-09T05:00:00Z","modified":"2024-08-01T17:02:53.571Z","updated_at":"2026-11-02T14:33:53.295018Z"}],"euvd":[{"id":"EUVD-1999-1071","description":"The default configuration of NCSA Telnet package for Macintosh and PC enables FTP, even though it does not include an \"ftp=yes\" line, which allows remote attackers to read and modify arbitrary files.","status":"published","published":"2002-03-09T05:00:00Z","modified":"2024-08-01T17:02:53Z","updated_at":"2026-11-03T03:50:44.304075Z"}],"ghsa":[{"id":"GHSA-qm92-mmrh-wpqr","title":"The default configuration of NCSA Telnet package for Macintosh and PC enables FTP, even though it...","description":"The default configuration of NCSA Telnet package for Macintosh and PC enables FTP, even though it does not include an \"ftp=yes\" line, which allows remote attackers to read and modify arbitrary files.","status":"published","published":"2022-04-30T18:11:48Z","modified":"2023-01-30T05:04:31Z","updated_at":"2026-11-02T14:47:03.625779Z"}],"nvd":[{"id":"CVE-1999-1090","description":"The default configuration of NCSA Telnet package for Macintosh and PC enables FTP, even though it does not include an \"ftp=yes\" line, which allows remote attackers to read and modify arbitrary files.","status":"published","published":"1991-09-10T04:00:00Z","modified":"2026-06-16T21:49:42.053Z","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":"2026-11-02T13:58:19.254283Z"}],"osv":[{"id":"AZL-53404","title":"CVE-1999-1090 affecting package telnet 0.17-81","description":"The default configuration of NCSA Telnet package for Macintosh and PC enables FTP, even though it does not include an \"ftp=yes\" line, which allows remote attackers to read and modify arbitrary files.","status":"published","published":"1991-09-10T04:00:00Z","modified":"2026-11-05T05:36:30Z","updated_at":"2026-11-05T16:41:20.828909Z"},{"id":"AZL-7381","title":"CVE-1999-1090 affecting package telnet 0.17-81","description":"The default configuration of NCSA Telnet package for Macintosh and PC enables FTP, even though it does not include an \"ftp=yes\" line, which allows remote attackers to read and modify arbitrary files.","status":"published","published":"1991-09-10T04:00:00Z","modified":"2026-04-21T04:34:00.3045Z","updated_at":"2026-11-02T15:28:09.474476Z"}]}}