{"id":"CVE-2010-20122","aliases":["EUVD-2010-5323","GHSA-23ff-vxpg-784h"],"status":"published","title":"Xftp FTP Client \u003c= 3.0 PWD Response Buffer Overflow","description":"Xftp FTP Client version up to and including 3.0 (build 0238) contain a stack-based buffer overflow vulnerability triggered by a maliciously crafted PWD response from an FTP server. When the client connects to a server and receives an overly long directory string in response to the PWD command, the client fails to properly validate the length of the input before copying it into a fixed-size buffer. This results in memory corruption and allows remote attackers to execute arbitrary code on the client system.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01465,"percentile":0.73889,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-121"],"published":"2025-08-21T20:16:17Z","modified":"2026-06-16T23:19:47Z","exploits":[{"source":"metasploit","id":"exploit/windows/ftp/xftp_client_pwd","title":"Xftp FTP Client 3.0 PWD Remote Buffer Overflow","type":"exploit","platform":"Windows","date":"2010-04-22","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/ftp/xftp_client_pwd"}],"products":[{"vendor":"netsarang computer, inc.","product":"xftp ftp client"}],"references":[{"url":"https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/ftp/xftp_client_pwd.rb","tags":["exploit"]},{"url":"https://www.exploit-db.com/exploits/12332","tags":["exploit"]},{"url":"https://www.exploit-db.com/exploits/16739","tags":["exploit"]},{"url":"https://web.archive.org/web/20090312072219/http://www.netsarang.com/download/down_xft3.html","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/xftp-ftp-client-pwd-response-buffer-overflow","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-20122"},{"url":"https://github.com/advisories/GHSA-23ff-vxpg-784h"}],"sources":{"cve":[{"id":"CVE-2010-20122","title":"Xftp FTP Client \u003c= 3.0 PWD Response Buffer Overflow","description":"Xftp FTP Client version up to and including 3.0 (build 0238) contain a stack-based buffer overflow vulnerability triggered by a maliciously crafted PWD response from an FTP server. When the client connects to a server and receives an overly long directory string in response to the PWD command, the client fails to properly validate the length of the input before copying it into a fixed-size buffer. This results in memory corruption and allows remote attackers to execute arbitrary code on the client system.","status":"published","published":"2025-08-21T20:16:17.595Z","modified":"2026-05-15T11:13:37.303Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:33:26.302774Z"}],"euvd":[{"id":"EUVD-2010-5323","description":"Xftp FTP Client version up to and including 3.0 (build 0238) contain a stack-based buffer overflow vulnerability triggered by a maliciously crafted PWD response from an FTP server. When the client connects to a server and receives an overly long directory string in response to the PWD command, the client fails to properly validate the length of the input before copying it into a fixed-size buffer. This results in memory corruption and allows remote attackers to execute arbitrary code on the client system.","status":"published","published":"2025-08-21T20:16:17Z","modified":"2026-05-15T11:13:37Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T19:04:29.443212Z"}],"ghsa":[{"id":"GHSA-23ff-vxpg-784h","title":"Xftp FTP Client version up to and including 3.0 (build 0238) contain a stack-based buffer...","description":"Xftp FTP Client version up to and including 3.0 (build 0238) contain a stack-based buffer overflow vulnerability triggered by a maliciously crafted PWD response from an FTP server. When the client connects to a server and receives an overly long directory string in response to the PWD command, the client fails to properly validate the length of the input before copying it into a fixed-size buffer. This results in memory corruption and allows remote attackers to execute arbitrary code on the client system.","status":"published","published":"2025-08-21T21:32:08Z","modified":"2025-08-21T21:32:18Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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":"critical"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:03:22.719724Z"}],"nvd":[{"id":"CVE-2010-20122","description":"Xftp FTP Client version up to and including 3.0 (build 0238) contain a stack-based buffer overflow vulnerability triggered by a maliciously crafted PWD response from an FTP server. When the client connects to a server and receives an overly long directory string in response to the PWD command, the client fails to properly validate the length of the input before copying it into a fixed-size buffer. This results in memory corruption and allows remote attackers to execute arbitrary code on the client system.","status":"published","published":"2025-08-21T21:15:34.68Z","modified":"2026-06-16T23:19:47.193Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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":"critical","assessor":"secondary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:02:04.957683Z"}]}}