{"id":"CVE-2023-53886","aliases":["EUVD-2025-203414","GHSA-hxpr-5v98-mw59"],"status":"published","title":"Xlight FTP Server 3.9.3.6 Stack Buffer Overflow Vulnerability via Execute Program","description":"Xlight FTP Server 3.9.3.6 contains a stack buffer overflow vulnerability in the 'Execute Program' configuration that allows attackers to crash the application. Attackers can trigger the vulnerability by inserting 294 characters into the program execution configuration, causing a denial of service condition.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00425,"percentile":0.3707,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121","CWE-787"],"published":"2025-12-15T20:28:21Z","modified":"2026-06-17T06:46:15Z","products":[{"vendor":"xlightftpd","product":"xlight ftp server"},{"vendor":"xlightftpd","product":"xlight_ftp_server"}],"references":[{"url":"https://www.exploit-db.com/exploits/51665","tags":["exploit","Exploit","Third Party Advisory"]},{"url":"https://www.xlightftpd.com/","tags":["product","Vendor Advisory"]},{"url":"https://www.vulncheck.com/advisories/xlight-ftp-server-stack-buffer-overflow-vulnerability-via-execute-program","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53886"},{"url":"https://www.xlightftpd.com"},{"url":"https://github.com/advisories/GHSA-hxpr-5v98-mw59"}],"sources":{"cve":[{"id":"CVE-2023-53886","title":"Xlight FTP Server 3.9.3.6 Stack Buffer Overflow Vulnerability via Execute Program","description":"Xlight FTP Server 3.9.3.6 contains a stack buffer overflow vulnerability in the 'Execute Program' configuration that allows attackers to crash the application. Attackers can trigger the vulnerability by inserting 294 characters into the program execution configuration, causing a denial of service condition.","status":"published","published":"2025-12-15T20:28:21.8Z","modified":"2026-05-12T20:46:32.691Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:35:31.264455Z"}],"euvd":[{"id":"EUVD-2025-203414","description":"Xlight FTP Server 3.9.3.6 contains a stack buffer overflow vulnerability in the 'Execute Program' configuration that allows attackers to crash the application. Attackers can trigger the vulnerability by inserting 294 characters into the program execution configuration, causing a denial of service condition.","status":"published","published":"2025-12-15T20:28:21Z","modified":"2026-05-12T20:46:32Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:04:36.64757Z"}],"ghsa":[{"id":"GHSA-hxpr-5v98-mw59","title":"Xlight FTP Server 3.9.3.6 contains a stack buffer overflow vulnerability in the 'Execute Program'...","description":"Xlight FTP Server 3.9.3.6 contains a stack buffer overflow vulnerability in the 'Execute Program' configuration that allows attackers to crash the application. Attackers can trigger the vulnerability by inserting 294 characters into the program execution configuration, causing a denial of service condition.","status":"published","published":"2025-12-15T21:30:32Z","modified":"2025-12-19T00:31:42Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/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":"medium"},{"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-121","CWE-787"],"updated_at":"2026-11-02T15:05:17.523471Z"}],"nvd":[{"id":"CVE-2023-53886","description":"Xlight FTP Server 3.9.3.6 contains a stack buffer overflow vulnerability in the 'Execute Program' configuration that allows attackers to crash the application. Attackers can trigger the vulnerability by inserting 294 characters into the program execution configuration, causing a denial of service condition.","status":"published","published":"2025-12-15T21:15:51.69Z","modified":"2026-06-17T06:46:15.56Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/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":"medium","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":"primary"}],"cwes":["CWE-121","CWE-787"],"updated_at":"2026-11-02T14:09:26.50087Z"}]}}