{"id":"CVE-2019-25654","aliases":["EUVD-2019-20046","GHSA-rj7r-w646-cjw4"],"status":"published","title":"Core FTP/SFTP Server 1.2 Denial of Service via Buffer Overflow","description":"Core FTP/SFTP Server 1.2 contains a buffer overflow vulnerability that allows attackers to crash the service by supplying an excessively long string in the User domain field. Attackers can paste a malicious payload containing 7000 bytes of data into the domain configuration to trigger an application crash and deny service.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00703,"percentile":0.5356,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2026-03-30T11:02:27Z","modified":"2026-10-27T00:54:09Z","products":[{"vendor":"coreftp","product":"core ftp/sftp server"},{"vendor":"coreftp","product":"core_ftp"}],"references":[{"url":"https://www.exploit-db.com/exploits/46371","tags":["exploit","Exploit","VDB Entry"]},{"url":"http://www.coreftp.com/","tags":["product","Product"]},{"url":"http://www.coreftp.com/server/download/archive/CoreFTPServer589.42.exe","tags":["product","Product"]},{"url":"https://www.vulncheck.com/advisories/core-ftp-sftp-server-denial-of-service-via-buffer-overflow","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-25654"},{"url":"http://www.coreftp.com"},{"url":"https://github.com/advisories/GHSA-rj7r-w646-cjw4"}],"sources":{"cve":[{"id":"CVE-2019-25654","title":"Core FTP/SFTP Server 1.2 Denial of Service via Buffer Overflow","description":"Core FTP/SFTP Server 1.2 contains a buffer overflow vulnerability that allows attackers to crash the service by supplying an excessively long string in the User domain field. Attackers can paste a malicious payload containing 7000 bytes of data into the domain configuration to trigger an application crash and deny service.","status":"published","published":"2026-03-30T11:02:27.608Z","modified":"2026-10-27T00:54:09.249Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:20:19.737165Z"}],"euvd":[{"id":"EUVD-2019-20046","description":"Core FTP/SFTP Server 1.2 contains a buffer overflow vulnerability that allows attackers to crash the service by supplying an excessively long string in the User domain field. Attackers can paste a malicious payload containing 7000 bytes of data into the domain configuration to trigger an application crash and deny service.","status":"published","published":"2026-03-30T11:02:27Z","modified":"2026-10-27T00:54:09Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T16:59:25.230426Z"}],"ghsa":[{"id":"GHSA-rj7r-w646-cjw4","title":"Core FTP/SFTP Server 1.2 contains a buffer overflow vulnerability that allows attackers to crash...","description":"Core FTP/SFTP Server 1.2 contains a buffer overflow vulnerability that allows attackers to crash the service by supplying an excessively long string in the User domain field. Attackers can paste a malicious payload containing 7000 bytes of data into the domain configuration to trigger an application crash and deny service.","status":"published","published":"2026-03-30T12:32:27Z","modified":"2026-03-30T12:32:36Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:06:55.220248Z"}],"nvd":[{"id":"CVE-2019-25654","description":"Core FTP/SFTP Server 1.2 contains a buffer overflow vulnerability that allows attackers to crash the service by supplying an excessively long string in the User domain field. Attackers can paste a malicious payload containing 7000 bytes of data into the domain configuration to trigger an application crash and deny service.","status":"published","published":"2026-03-30T12:16:18.15Z","modified":"2026-06-17T02:32:53.88Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:05:50.275357Z"}]}}