{"id":"CVE-2003-0190","aliases":["DEBIAN-CVE-2003-0190","EUVD-2003-0186","GHSA-32j7-fc74-pjwq"],"status":"published","title":"OpenSSH-portable (OpenSSH) 3.6.1p1 and earlier with PAM support enabled immediately sends an...","description":"OpenSSH-portable (OpenSSH) 3.6.1p1 and earlier with PAM support enabled immediately sends an error message when a user does not exist, which allows remote attackers to determine valid usernames via a timing attack.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.76751,"percentile":0.99551,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-203"],"published":"2003-05-02T00:00:00Z","modified":"2026-10-22T23:47:20Z","exploits":[{"source":"exploitdb","id":"EDB-25","title":"OpenSSH/PAM 3.6.1p1 - Remote Users Discovery Tool","type":"remote","platform":"linux","date":"2003-04-30","verified":true,"url":"https://www.exploit-db.com/exploits/25"},{"source":"exploitdb","id":"EDB-26","title":"OpenSSH/PAM 3.6.1p1 - 'gossh.sh' Remote Users Ident","type":"remote","platform":"linux","date":"2003-05-02","verified":true,"url":"https://www.exploit-db.com/exploits/26"},{"source":"exploitdb","id":"EDB-3303","title":"Portable OpenSSH 3.6.1p-PAM/4.1-SuSE - Timing Attack","type":"remote","platform":"multiple","date":"2007-02-13","verified":true,"url":"https://www.exploit-db.com/exploits/3303"},{"source":"metasploit","id":"auxiliary/scanner/ssh/ssh_enumusers","title":"SSH Username Enumeration","type":"auxiliary","verified":true,"url":"https://www.rapid7.com/db/modules/auxiliary/scanner/ssh/ssh_enumusers"}],"fixes":[{"ecosystem":"Debian:12","package":"openssh","fixed_in":["1:3.8.1p1-8.sarge.4"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"openssh","fixed_in":["1:3.8.1p1-8.sarge.4"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"openssh","fixed_in":["1:3.8.1p1-8.sarge.4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"openssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.8.1p1-8.sarge.4"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"openssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.8.1p1-8.sarge.4"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"openssh","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.8.1p1-8.sarge.4"}]}]}],"products":[{"vendor":"openbsd","product":"openssh"},{"vendor":"openpkg","product":"openpkg"},{"vendor":"siemens","product":"scalance_x204rna_ecc_firmware"},{"vendor":"siemens","product":"scalance_x204rna_firmware"}],"references":[{"url":"http://www.redhat.com/support/errata/RHSA-2003-222.html","tags":["vendor-advisory","x_transferred","Broken Link","web"]},{"url":"http://marc.info/?l=bugtraq\u0026m=105172058404810\u0026w=2","tags":["mailing-list","x_transferred","Third Party Advisory","advisory"]},{"url":"http://www.securityfocus.com/bid/7467","tags":["vdb-entry","x_transferred","Broken Link","Exploit","Patch","Third Party Advisory","VDB Entry","Vendor Advisory","advisory","evidence","fix","web"]},{"url":"http://marc.info/?l=bugtraq\u0026m=106018677302607\u0026w=2","tags":["mailing-list","x_transferred","Third Party Advisory","advisory"]},{"url":"http://www.redhat.com/support/errata/RHSA-2003-224.html","tags":["vendor-advisory","x_transferred","Broken Link","web"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A445","tags":["vdb-entry","signature","x_transferred","Broken Link","web"]},{"url":"http://lab.mediaservice.net/advisory/2003-01-openssh.txt","tags":["x_transferred","Broken Link","advisory"]},{"url":"http://www.turbolinux.com/security/TLSA-2003-31.txt","tags":["vendor-advisory","x_transferred","Broken Link","web"]},{"url":"http://lists.grok.org.uk/pipermail/full-disclosure/2003-April/004815.html","tags":["mailing-list","x_transferred","Broken Link","web"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf","tags":["x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2003-0190"},{"url":"https://github.com/advisories/GHSA-32j7-fc74-pjwq"},{"url":"https://security-tracker.debian.org/tracker/CVE-2003-0190","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2003-0190","description":"OpenSSH-portable (OpenSSH) 3.6.1p1 and earlier with PAM support enabled immediately sends an error message when a user does not exist, which allows remote attackers to determine valid usernames via a timing attack.","status":"published","published":"2003-05-02T00:00:00Z","modified":"2024-08-08T01:43:36.108Z","updated_at":"2026-11-02T14:20:16.757505Z"}],"euvd":[{"id":"EUVD-2003-0186","description":"OpenSSH-portable (OpenSSH) 3.6.1p1 and earlier with PAM support enabled immediately sends an error message when a user does not exist, which allows remote attackers to determine valid usernames via a timing attack.","status":"published","published":"2003-05-02T00:00:00Z","modified":"2024-08-08T01:43:36Z","updated_at":"2026-11-03T01:15:08.178994Z"}],"ghsa":[{"id":"GHSA-32j7-fc74-pjwq","title":"OpenSSH-portable (OpenSSH) 3.6.1p1 and earlier with PAM support enabled immediately sends an...","description":"OpenSSH-portable (OpenSSH) 3.6.1p1 and earlier with PAM support enabled immediately sends an error message when a user does not exist, which allows remote attackers to determine valid usernames via a timing attack.","status":"published","published":"2022-04-29T01:25:59Z","modified":"2026-03-22T05:08:29Z","cwes":["CWE-203"],"updated_at":"2026-11-02T15:06:46.535326Z"}],"nvd":[{"id":"CVE-2003-0190","description":"OpenSSH-portable (OpenSSH) 3.6.1p1 and earlier with PAM support enabled immediately sends an error message when a user does not exist, which allows remote attackers to determine valid usernames via a timing attack.","status":"published","published":"2003-05-12T04:00:00Z","modified":"2026-06-16T22:01:43.273Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T14:00:46.710758Z"}],"osv":[{"id":"CVE-2003-0190","description":"OpenSSH-portable (OpenSSH) 3.6.1p1 and earlier with PAM support enabled immediately sends an error message when a user does not exist, which allows remote attackers to determine valid usernames via a timing attack.","status":"published","published":"2003-05-12T04:00:00Z","modified":"2026-04-10T03:36:05.743449Z","updated_at":"2026-11-02T15:43:55.998148Z"},{"id":"DEBIAN-CVE-2003-0190","description":"OpenSSH-portable (OpenSSH) 3.6.1p1 and earlier with PAM support enabled immediately sends an error message when a user does not exist, which allows remote attackers to determine valid usernames via a timing attack.","status":"published","published":"2003-05-12T04:00:00Z","modified":"2026-10-22T23:47:20.731046409Z","updated_at":"2026-11-02T15:45:22.55978Z"}]}}