{"id":"CVE-1999-1266","aliases":["EUVD-1999-1247","GHSA-cp39-g35j-7x79"],"status":"published","title":"rsh daemon (rshd) generates different error messages when a valid username is provided versus an...","description":"rsh daemon (rshd) generates different error messages when a valid username is provided versus an invalid name, which allows remote attackers to determine valid users on the system.","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":"2026-11-09","score":0.01309,"percentile":0.70825,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"1997-06-13T04:00:00Z","modified":"2026-06-16T21:50:04Z","products":[{"vendor":"metamail_corporation","product":"metamail"}],"references":[{"url":"http://www.securityfocus.com/archive/1/6978","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/1660","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-1266"},{"url":"https://github.com/advisories/GHSA-cp39-g35j-7x79"}],"sources":{"cve":[{"id":"CVE-1999-1266","description":"rsh daemon (rshd) generates different error messages when a valid username is provided versus an invalid name, which allows remote attackers to determine valid users on the system.","status":"published","published":"2001-09-12T04:00:00Z","modified":"2024-08-01T17:11:01.47Z","updated_at":"2026-11-02T14:33:53.295018Z"}],"euvd":[{"id":"EUVD-1999-1247","description":"rsh daemon (rshd) generates different error messages when a valid username is provided versus an invalid name, which allows remote attackers to determine valid users on the system.","status":"published","published":"2001-09-12T04:00:00Z","modified":"2024-08-01T17:11:01Z","updated_at":"2026-11-03T03:50:43.346493Z"}],"ghsa":[{"id":"GHSA-cp39-g35j-7x79","title":"rsh daemon (rshd) generates different error messages when a valid username is provided versus an...","description":"rsh daemon (rshd) generates different error messages when a valid username is provided versus an invalid name, which allows remote attackers to determine valid users on the system.","status":"published","published":"2022-04-30T18:12:08Z","modified":"2023-01-30T05:04:33Z","updated_at":"2026-11-02T14:47:04.563666Z"}],"nvd":[{"id":"CVE-1999-1266","description":"rsh daemon (rshd) generates different error messages when a valid username is provided versus an invalid name, which allows remote attackers to determine valid users on the system.","status":"published","published":"1997-06-13T04:00:00Z","modified":"2026-06-16T21:50:04.32Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T13:58:19.254283Z"}]}}