{"id":"CVE-1999-0661","aliases":["EUVD-1999-0644","GHSA-8wmh-7mx7-jf2g"],"status":"published","title":"A system is running a version of software that was replaced with a Trojan Horse at one of its...","description":"A system is running a version of software that was replaced with a Trojan Horse at one of its distribution points, such as (1) TCP Wrappers 7.6, (2) util-linux 2.9g, (3) wuarchive ftpd (wuftpd) 2.2 and 2.1f, (4) IRC client (ircII) ircII 2.2.9, (5) OpenSSH 3.4p1, or (6) Sendmail 8.12.6.","severity":{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.54244,"percentile":0.99017,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"1999-01-01T05:00:00Z","modified":"2026-06-16T21:48:47Z","exploits":[{"source":"exploitdb","id":"EDB-21919","title":"Sendmail 8.12.6 - Compromised Source Backdoor","type":"remote","platform":"unix","date":"2002-10-08","verified":true,"url":"https://www.exploit-db.com/exploits/21919"}],"references":[{"url":"http://online.securityfocus.com/archive/1/294539","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.iss.net/security_center/static/10313.php","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/bid/5921","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.cert.org/advisories/CA-1999-02.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"http://marc.info/?l=bugtraq\u0026m=102821663814127\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.cert.org/advisories/CA-1994-14.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"http://marc.info/?l=bugtraq\u0026m=102820843403741\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.cert.org/advisories/CA-1999-01.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"http://www.cert.org/advisories/CA-1994-07.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"http://www.cert.org/advisories/CA-2002-28.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-0661"},{"url":"https://github.com/advisories/GHSA-8wmh-7mx7-jf2g"}],"sources":{"cve":[{"id":"CVE-1999-0661","description":"A system is running a version of software that was replaced with a Trojan Horse at one of its distribution points, such as (1) TCP Wrappers 7.6, (2) util-linux 2.9g, (3) wuarchive ftpd (wuftpd) 2.2 and 2.1f, (4) IRC client (ircII) ircII 2.2.9, (5) OpenSSH 3.4p1, or (6) Sendmail 8.12.6.","status":"published","published":"2000-02-04T05:00:00Z","modified":"2024-08-01T16:48:37.297Z","updated_at":"2026-11-02T14:33:53.911988Z"}],"euvd":[{"id":"EUVD-1999-0644","description":"A system is running a version of software that was replaced with a Trojan Horse at one of its distribution points, such as (1) TCP Wrappers 7.6, (2) util-linux 2.9g, (3) wuarchive ftpd (wuftpd) 2.2 and 2.1f, (4) IRC client (ircII) ircII 2.2.9, (5) OpenSSH 3.4p1, or (6) Sendmail 8.12.6.","status":"published","published":"2000-02-04T05:00:00Z","modified":"2024-08-01T16:48:37Z","updated_at":"2026-11-03T03:50:46.021315Z"}],"ghsa":[{"id":"GHSA-8wmh-7mx7-jf2g","title":"A system is running a version of software that was replaced with a Trojan Horse at one of its...","description":"A system is running a version of software that was replaced with a Trojan Horse at one of its distribution points, such as (1) TCP Wrappers 7.6, (2) util-linux 2.9g, (3) wuarchive ftpd (wuftpd) 2.2 and 2.1f, (4) IRC client (ircII) ircII 2.2.9, (5) OpenSSH 3.4p1, or (6) Sendmail 8.12.6.","status":"published","published":"2022-04-30T18:10:58Z","modified":"2023-01-30T05:04:21Z","updated_at":"2026-11-02T14:47:01.801326Z"}],"nvd":[{"id":"CVE-1999-0661","description":"A system is running a version of software that was replaced with a Trojan Horse at one of its distribution points, such as (1) TCP Wrappers 7.6, (2) util-linux 2.9g, (3) wuarchive ftpd (wuftpd) 2.2 and 2.1f, (4) IRC client (ircII) ircII 2.2.9, (5) OpenSSH 3.4p1, or (6) Sendmail 8.12.6.","status":"published","published":"1999-01-01T05:00:00Z","modified":"2026-06-16T21:48:47.763Z","cvss":[{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T13:58:30.236077Z"}]}}