{"id":"CVE-2005-2666","aliases":["BELL-CVE-2005-2666","DEBIAN-CVE-2005-2666","EUVD-2005-2667","GHSA-rfm3-rfv4-crj6","RHSA-2007:0257"],"status":"published","title":"SSH, as implemented in OpenSSH before 4.0 and possibly other implementations, stores hostnames,...","description":"SSH, as implemented in OpenSSH before 4.0 and possibly other implementations, stores hostnames, IP addresses, and keys in plaintext in the known_hosts file, which makes it easier for an attacker that has compromised an SSH user's account to generate a list of additional targets that are more likely to have the same password or key.","severity":{"version":"2.0","score":1.2,"vector":"AV:L/AC:H/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01177,"percentile":0.67807,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-255"],"published":"2005-08-23T04:00:00Z","modified":"2026-10-23T03:47:40Z","fixes":[{"ecosystem":"Debian:12","package":"openssh","fixed_in":["1:4.0p1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"openssh","fixed_in":["1:4.0p1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"openssh","fixed_in":["1:4.0p1-1"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::as","package":"openssh","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::as","package":"openssh-askpass","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::as","package":"openssh-askpass-gnome","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::as","package":"openssh-clients","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::as","package":"openssh-debuginfo","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::as","package":"openssh-server","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::desktop","package":"openssh","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::desktop","package":"openssh-askpass","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::desktop","package":"openssh-askpass-gnome","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::desktop","package":"openssh-clients","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::desktop","package":"openssh-debuginfo","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::desktop","package":"openssh-server","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::es","package":"openssh","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::es","package":"openssh-askpass","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::es","package":"openssh-askpass-gnome","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::es","package":"openssh-clients","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::es","package":"openssh-debuginfo","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::es","package":"openssh-server","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::ws","package":"openssh","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::ws","package":"openssh-askpass","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::ws","package":"openssh-askpass-gnome","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::ws","package":"openssh-clients","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::ws","package":"openssh-debuginfo","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::ws","package":"openssh-server","fixed_in":["0:3.9p1-8.RHEL4.20"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"openssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.0p1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"openssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.0p1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"openssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.0p1-1"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::as","package":"openssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::as","package":"openssh-askpass","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::as","package":"openssh-askpass-gnome","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::as","package":"openssh-clients","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::as","package":"openssh-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::as","package":"openssh-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::desktop","package":"openssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::desktop","package":"openssh-askpass","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::desktop","package":"openssh-askpass-gnome","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::desktop","package":"openssh-clients","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::desktop","package":"openssh-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::desktop","package":"openssh-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::es","package":"openssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::es","package":"openssh-askpass","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::es","package":"openssh-askpass-gnome","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::es","package":"openssh-clients","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::es","package":"openssh-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::es","package":"openssh-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::ws","package":"openssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::ws","package":"openssh-askpass","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::ws","package":"openssh-askpass-gnome","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::ws","package":"openssh-clients","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::ws","package":"openssh-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:4::ws","package":"openssh-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.9p1-8.RHEL4.20"}]}]}],"products":[{"vendor":"openbsd","product":"openssh"}],"references":[{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10201","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","web"]},{"url":"http://secunia.com/advisories/25098","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.redhat.com/support/errata/RHSA-2007-0257.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","web"]},{"url":"http://secunia.com/advisories/19243","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.eweek.com/article2/0%2C1759%2C1815795%2C00.asp","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2006.11/SCOSA-2006.11.txt","tags":["vendor-advisory","x_refsource_SCO","x_transferred","web"]},{"url":"http://nms.csail.mit.edu/projects/ssh/","tags":["x_refsource_MISC","x_transferred","Patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2005-2666","tags":["advisory"]},{"url":"http://www.eweek.com/article2/0,1759,1815795,00.asp"},{"url":"https://github.com/advisories/GHSA-rfm3-rfv4-crj6"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2005-2666","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2005-2666","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2007:0257","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#low","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=162681","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=184357","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=193710","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=201594","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=203671","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2007/rhsa-2007_0257.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2005-2666","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2005-2666","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2005-2666","description":"SSH, as implemented in OpenSSH before 4.0 and possibly other implementations, stores hostnames, IP addresses, and keys in plaintext in the known_hosts file, which makes it easier for an attacker that has compromised an SSH user's account to generate a list of additional targets that are more likely to have the same password or key.","status":"published","published":"2005-08-23T04:00:00Z","modified":"2024-08-07T22:45:01.578Z","updated_at":"2026-11-02T14:33:37.840038Z"}],"euvd":[{"id":"EUVD-2005-2667","description":"SSH, as implemented in OpenSSH before 4.0 and possibly other implementations, stores hostnames, IP addresses, and keys in plaintext in the known_hosts file, which makes it easier for an attacker that has compromised an SSH user's account to generate a list of additional targets that are more likely to have the same password or key.","status":"published","published":"2005-08-23T04:00:00Z","modified":"2024-08-07T22:45:01Z","updated_at":"2026-11-03T01:15:30.050034Z"}],"ghsa":[{"id":"GHSA-rfm3-rfv4-crj6","title":"SSH, as implemented in OpenSSH before 4.0 and possibly other implementations, stores hostnames,...","description":"SSH, as implemented in OpenSSH before 4.0 and possibly other implementations, stores hostnames, IP addresses, and keys in plaintext in the known_hosts file, which makes it easier for an attacker that has compromised an SSH user's account to generate a list of additional targets that are more likely to have the same password or key.","status":"published","published":"2022-05-03T03:14:16Z","modified":"2023-02-01T05:01:09Z","updated_at":"2026-11-02T14:49:40.629091Z"}],"nvd":[{"id":"CVE-2005-2666","description":"SSH, as implemented in OpenSSH before 4.0 and possibly other implementations, stores hostnames, IP addresses, and keys in plaintext in the known_hosts file, which makes it easier for an attacker that has compromised an SSH user's account to generate a list of additional targets that are more likely to have the same password or key.","status":"published","published":"2005-08-23T04:00:00Z","modified":"2026-06-16T22:15:26.13Z","cvss":[{"version":"2.0","score":1.2,"vector":"AV:L/AC:H/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-255"],"updated_at":"2026-11-02T14:00:56.147496Z"}],"osv":[{"id":"BELL-CVE-2005-2666","title":"CVE-2005-2666 does not affect BellSoft software","status":"withdrawn","published":"2005-08-23T04:00:00Z","modified":"2026-01-28T07:19:09.959753Z","cvss":[{"version":"2.0","score":1.2,"vector":"AV:L/AC:H/Au:N/C:P/I:N/A:N","level":"low"}],"updated_at":"2026-11-02T15:28:12.886815Z"},{"id":"CVE-2005-2666","description":"SSH, as implemented in OpenSSH before 4.0 and possibly other implementations, stores hostnames, IP addresses, and keys in plaintext in the known_hosts file, which makes it easier for an attacker that has compromised an SSH user's account to generate a list of additional targets that are more likely to have the same password or key.","status":"published","published":"2005-08-23T04:00:00Z","modified":"2026-04-10T03:37:10.305753Z","updated_at":"2026-11-02T15:43:56.581247Z"},{"id":"DEBIAN-CVE-2005-2666","description":"SSH, as implemented in OpenSSH before 4.0 and possibly other implementations, stores hostnames, IP addresses, and keys in plaintext in the known_hosts file, which makes it easier for an attacker that has compromised an SSH user's account to generate a list of additional targets that are more likely to have the same password or key.","status":"published","published":"2005-08-23T04:00:00Z","modified":"2026-10-23T03:47:40.110745766Z","updated_at":"2026-11-02T15:45:22.831407Z"},{"id":"RHSA-2007:0257","title":"Red Hat Security Advisory: openssh security and bug fix update","status":"published","published":"2024-09-15T16:25:13Z","modified":"2026-06-26T10:06:09Z","updated_at":"2026-11-02T15:52:59.70892Z"}]}}
