{"id":"CVE-2016-9499","aliases":["EUVD-2016-10305","GHSA-64mw-c7hp-gmxw"],"status":"published","title":"The Accellion FTP server prior to version FTA_9_12_220 is vulnerable to cross-site scripting.","description":"Accellion FTP server prior to version FTA_9_12_220 only returns the username in the server response if the username is invalid. An attacker may use this information to determine valid user accounts and enumerate them.","severity":{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.07669,"percentile":0.94624,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200","CWE-204"],"published":"2018-07-13T20:00:00Z","modified":"2026-06-17T00:56:10Z","products":[{"vendor":"accellion","product":"ftp server"},{"vendor":"accellion","product":"ftp_server"},{"vendor":"pcman","product":"ftp server"}],"references":[{"url":"https://www.qualys.com/2016/12/06/qsa-2016-12-06/qsa-2016-12-06.pdf","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.securityfocus.com/bid/96154","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.kb.cert.org/vuls/id/745607","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-9499"},{"url":"https://github.com/advisories/GHSA-64mw-c7hp-gmxw"}],"sources":{"cve":[{"id":"CVE-2016-9499","title":"The Accellion FTP server prior to version FTA_9_12_220 is vulnerable to cross-site scripting.","description":"Accellion FTP server prior to version FTA_9_12_220 only returns the username in the server response if the username is invalid. An attacker may use this information to determine valid user accounts and enumerate them.","status":"published","published":"2018-07-13T20:00:00Z","modified":"2024-08-06T02:50:38.579Z","cwes":["CWE-204"],"updated_at":"2026-11-02T14:33:32.103757Z"}],"euvd":[{"id":"EUVD-2016-10305","description":"Accellion FTP server prior to version FTA_9_12_220 only returns the username in the server response if the username is invalid. An attacker may use this information to determine valid user accounts and enumerate them.","status":"published","published":"2018-07-13T20:00:00Z","modified":"2024-08-06T02:50:38Z","updated_at":"2026-11-03T02:22:26.803486Z"}],"ghsa":[{"id":"GHSA-64mw-c7hp-gmxw","title":"Accellion FTP server prior to version FTA_9_12_220 only returns the username in the server...","description":"Accellion FTP server prior to version FTA_9_12_220 only returns the username in the server response if the username is invalid. An attacker may use this information to determine valid user accounts and enumerate them.","status":"published","published":"2022-05-13T01:38:30Z","modified":"2023-02-01T05:09:14Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:50:56.168791Z"}],"nvd":[{"id":"CVE-2016-9499","description":"Accellion FTP server prior to version FTA_9_12_220 only returns the username in the server response if the username is invalid. An attacker may use this information to determine valid user accounts and enumerate them.","status":"published","published":"2018-07-13T20:29:02.003Z","modified":"2026-06-17T00:56:10.737Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-204","CWE-200"],"updated_at":"2026-11-02T14:03:39.621168Z"}]}}