{"id":"CVE-1999-0526","aliases":["EUVD-1999-0524","GHSA-fv34-2r8h-94mm"],"status":"published","title":"An X server's access control is disabled (e.g. through an \"xhost +\" command) and allows anyone to...","description":"An X server's access control is disabled (e.g. through an \"xhost +\" command) and allows anyone to connect to the server.","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":0.20817,"percentile":0.97563,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"1997-07-01T04:00:00Z","modified":"2026-06-16T21:48:35Z","exploits":[{"source":"metasploit","id":"auxiliary/gather/x11_keyboard_spy","title":"X11 Keylogger","type":"auxiliary","date":"1997-07-01","verified":true,"url":"https://www.rapid7.com/db/modules/auxiliary/gather/x11_keyboard_spy"},{"source":"metasploit","id":"auxiliary/scanner/x11/open_x11","title":"X11 No-Auth Scanner","type":"auxiliary","verified":true,"url":"https://www.rapid7.com/db/modules/auxiliary/scanner/x11/open_x11"},{"source":"metasploit","id":"exploit/unix/x11/x11_keyboard_exec","title":"X11 Keyboard Command Injection","type":"exploit","platform":"Unix","date":"2015-07-10","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/unix/x11/x11_keyboard_exec"}],"products":[{"vendor":"x.org","product":"x11"}],"references":[{"url":"http://www.kb.cert.org/vuls/id/704969","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-0526"},{"url":"https://github.com/advisories/GHSA-fv34-2r8h-94mm"}],"sources":{"cve":[{"id":"CVE-1999-0526","description":"An X server's access control is disabled (e.g. through an \"xhost +\" command) and allows anyone to connect to the server.","status":"published","published":"1999-09-29T04:00:00Z","modified":"2024-08-01T16:41:45.611Z","updated_at":"2026-11-02T14:33:53.911988Z"}],"euvd":[{"id":"EUVD-1999-0524","description":"An X server's access control is disabled (e.g. through an \"xhost +\" command) and allows anyone to connect to the server.","status":"published","published":"1999-09-29T04:00:00Z","modified":"2024-08-01T16:41:45Z","updated_at":"2026-11-03T03:50:46.451705Z"}],"ghsa":[{"id":"GHSA-fv34-2r8h-94mm","title":"An X server's access control is disabled (e.g. through an \"xhost +\" command) and allows anyone to...","description":"An X server's access control is disabled (e.g. through an \"xhost +\" command) and allows anyone to connect to the server.","status":"published","published":"2022-04-30T18:10:45Z","modified":"2023-01-30T05:04:27Z","updated_at":"2026-11-02T14:47:03.172978Z"}],"nvd":[{"id":"CVE-1999-0526","description":"An X server's access control is disabled (e.g. through an \"xhost +\" command) and allows anyone to connect to the server.","status":"published","published":"1997-07-01T04:00:00Z","modified":"2026-06-16T21:48:35.033Z","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":"2026-11-02T13:58:19.254283Z"}]}}