{"id":"CVE-1999-1559","aliases":["EUVD-1999-1540","GHSA-j2j2-54qm-hh8q"],"status":"published","title":"Xylan OmniSwitch before 3.2.6 allows remote attackers to bypass the login prompt via a CTRL-D ...","description":"Xylan OmniSwitch before 3.2.6 allows remote attackers to bypass the login prompt via a CTRL-D (control d) character, which locks other users out of the switch because it only supports one session at a time.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01652,"percentile":0.76703,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"1999-03-31T05:00:00Z","modified":"2026-06-16T21:50:42Z","products":[{"vendor":"alcatel","product":"omniswitch"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/2064","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=92299263017061\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-1559"},{"url":"https://github.com/advisories/GHSA-j2j2-54qm-hh8q"}],"sources":{"cve":[{"id":"CVE-1999-1559","description":"Xylan OmniSwitch before 3.2.6 allows remote attackers to bypass the login prompt via a CTRL-D (control d) character, which locks other users out of the switch because it only supports one session at a time.","status":"published","published":"2001-09-12T04:00:00Z","modified":"2024-08-01T17:18:07.559Z","updated_at":"2026-11-02T14:33:53.295018Z"}],"euvd":[{"id":"EUVD-1999-1540","description":"Xylan OmniSwitch before 3.2.6 allows remote attackers to bypass the login prompt via a CTRL-D (control d) character, which locks other users out of the switch because it only supports one session at a time.","status":"published","published":"2001-09-12T04:00:00Z","modified":"2024-08-01T17:18:07Z","updated_at":"2026-11-03T03:50:41.965248Z"}],"ghsa":[{"id":"GHSA-j2j2-54qm-hh8q","title":"Xylan OmniSwitch before 3.2.6 allows remote attackers to bypass the login prompt via a CTRL-D ...","description":"Xylan OmniSwitch before 3.2.6 allows remote attackers to bypass the login prompt via a CTRL-D (control d) character, which locks other users out of the switch because it only supports one session at a time.","status":"published","published":"2022-04-30T18:12:43Z","modified":"2023-01-30T05:04:23Z","updated_at":"2026-11-02T14:47:02.242952Z"}],"nvd":[{"id":"CVE-1999-1559","description":"Xylan OmniSwitch before 3.2.6 allows remote attackers to bypass the login prompt via a CTRL-D (control d) character, which locks other users out of the switch because it only supports one session at a time.","status":"published","published":"1999-03-31T05:00:00Z","modified":"2026-06-16T21:50:42.983Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T13:58:30.236077Z"}]}}