{"id":"CVE-2019-9648","aliases":["EUVD-2022-5474","GHSA-w393-h95m-f879"],"status":"published","title":"CoreFTP Directory Traversal","description":"An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. A directory traversal vulnerability exists using the SIZE command along with a \\..\\..\\ substring, allowing an attacker to enumerate file existence based on the returned information.","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":0.1433,"percentile":0.96631,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-22"],"published":"2019-03-22T18:49:47Z","modified":"2026-09-10T03:49:42Z","exploits":[{"source":"exploitdb","id":"EDB-46535","title":"Core FTP Server FTP / SFTP Server v2 Build 674 - 'SIZE' Directory Traversal","type":"dos","platform":"windows","date":"2019-03-13","url":"https://www.exploit-db.com/exploits/46535"}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"CoreFtp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.0"}]}]},{"source":"osv","ecosystem":"NuGet","package":"CoreFtp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.0"}]}],"versions":["1.0.0","1.0.1","1.0.10","1.0.2","1.0.3","1.0.4","1.0.5","1.0.6","1.0.7","1.0.8","1.0.9","1.1.0","1.1.1","1.1.10","1.1.2","1.1.3","1.1.4","1.1.5","1.1.6","1.1.7","1.1.8","1.1.9","1.2.0","1.3.0","1.3.1","1.3.2","1.3.3","1.3.4","1.3.5","1.3.6","1.3.7","1.4.0","2.0.0"]}],"products":[{"vendor":"coreftp","product":"core_ftp"}],"references":[{"url":"http://www.securityfocus.com/bid/107446","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.coreftp.com/forums/viewtopic.php?f=15\u0026t=4022509","tags":["x_refsource_CONFIRM","x_transferred","Product","Vendor Advisory","web"]},{"url":"https://www.exploit-db.com/exploits/46535","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry","web"]},{"url":"https://seclists.org/fulldisclosure/2019/Mar/23","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Exploit","Mailing List","Third Party Advisory","web"]},{"url":"http://seclists.org/fulldisclosure/2019/Aug/21","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","web"]},{"url":"http://packetstormsecurity.com/files/154204/CoreFTP-Server-SIZE-Directory-Traversal.html","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-9648","tags":["advisory"]},{"url":"https://web.archive.org/web/20210125013812/https://www.securityfocus.com/bid/107446/"},{"url":"https://github.com/advisories/GHSA-w393-h95m-f879"},{"url":"https://github.com/sparkeh9/CoreFTP","tags":["package"]},{"url":"https://web.archive.org/web/20210125013812/https://www.securityfocus.com/bid/107446","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2019-9648","description":"An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. A directory traversal vulnerability exists using the SIZE command along with a \\..\\..\\ substring, allowing an attacker to enumerate file existence based on the returned information.","status":"published","published":"2019-03-22T18:49:47Z","modified":"2024-08-04T21:54:45.132Z","updated_at":"2026-11-02T14:20:20.081405Z"}],"euvd":[{"id":"EUVD-2022-5474","description":"An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. A directory traversal vulnerability exists using the SIZE command along with a \\..\\..\\ substring, allowing an attacker to enumerate file existence based on the returned information.","status":"published","published":"2019-03-22T18:49:47Z","modified":"2024-08-04T21:54:45Z","updated_at":"2026-11-03T03:06:37.634716Z"}],"ghsa":[{"id":"GHSA-w393-h95m-f879","title":"CoreFTP Directory Traversal","description":"An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. 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A directory traversal vulnerability exists using the SIZE command along with a \\..\\..\\ substring, allowing an attacker to enumerate file existence based on the returned information.","status":"published","published":"2019-03-22T19:29:00.48Z","modified":"2026-06-17T02:44:07.513Z","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-22"],"updated_at":"2026-11-02T14:05:09.523883Z"}],"osv":[{"id":"GHSA-w393-h95m-f879","title":"CoreFTP Directory Traversal","description":"An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. 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