{"id":"CVE-2010-4221","aliases":["DEBIAN-CVE-2010-4221","EUVD-2010-4195","GHSA-gf2w-q84f-pmmw"],"status":"published","title":"Multiple stack-based buffer overflows in the pr_netio_telnet_gets function in netio.c in ProFTPD...","description":"Multiple stack-based buffer overflows in the pr_netio_telnet_gets function in netio.c in ProFTPD before 1.3.3c allow remote attackers to execute arbitrary code via vectors involving a TELNET IAC escape character to a (1) FTP or (2) FTPS server.","severity":{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.91303,"percentile":0.99812,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-119"],"published":"2010-11-09T20:00:00Z","modified":"2026-10-23T17:47:23Z","exploits":[{"source":"exploitdb","id":"EDB-15449","title":"ProFTPd IAC 1.3.x - Remote Command Execution","type":"remote","platform":"linux","date":"2010-11-07","verified":true,"url":"https://www.exploit-db.com/exploits/15449"},{"source":"exploitdb","id":"EDB-16851","title":"ProFTPd 1.3.2 rc3 \u003c 1.3.3b (Linux) - Telnet IAC Buffer Overflow (Metasploit)","type":"remote","platform":"linux","date":"2011-01-09","verified":true,"url":"https://www.exploit-db.com/exploits/16851"},{"source":"exploitdb","id":"EDB-16878","title":"ProFTPd 1.3.2 rc3 \u003c 1.3.3b (FreeBSD) - Telnet IAC Buffer Overflow (Metasploit)","type":"remote","platform":"linux","date":"2010-12-02","verified":true,"url":"https://www.exploit-db.com/exploits/16878"},{"source":"metasploit","id":"exploit/freebsd/ftp/proftp_telnet_iac","title":"ProFTPD 1.3.2rc3 - 1.3.3b Telnet IAC Buffer Overflow (FreeBSD)","type":"exploit","platform":"BSD","date":"2010-11-01","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/freebsd/ftp/proftp_telnet_iac"},{"source":"metasploit","id":"exploit/linux/ftp/proftp_telnet_iac","title":"ProFTPD 1.3.2rc3 - 1.3.3b Telnet IAC Buffer Overflow (Linux)","type":"exploit","platform":"Linux","date":"2010-11-01","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/linux/ftp/proftp_telnet_iac"},{"source":"pocgithub","id":"M41doror/cve-2010-4221","title":"M41doror/cve-2010-4221","date":"2017-10-28","url":"https://github.com/M41doror/cve-2010-4221"},{"source":"pocgithub","id":"Mafiosohack/Offensive-lab-2","title":"Mafiosohack/Offensive-lab-2","date":"2025-12-05","url":"https://github.com/Mafiosohack/Offensive-lab-2"},{"source":"pocgithub","id":"diegslva/cve-2010-4221-lab","title":"diegslva/cve-2010-4221-lab","date":"2026-09-08","url":"https://github.com/diegslva/cve-2010-4221-lab"}],"fixes":[{"ecosystem":"Debian:12","package":"proftpd-dfsg","fixed_in":["1.3.3a-5"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"proftpd-dfsg","fixed_in":["1.3.3a-5"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"proftpd-dfsg","fixed_in":["1.3.3a-5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"proftpd-dfsg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.3a-5"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"proftpd-dfsg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.3a-5"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"proftpd-dfsg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.3a-5"}]}]}],"products":[{"vendor":"proftpd","product":"proftpd"}],"references":[{"url":"http://www.proftpd.org/docs/NEWS-1.3.3c","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050687.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-10-229/","tags":["x_refsource_MISC","x_transferred","advisory"]},{"url":"http://secunia.com/advisories/42217","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050703.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050726.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://www.vupen.com/english/advisories/2010/2941","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","advisory"]},{"url":"http://www.vupen.com/english/advisories/2010/2962","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","advisory"]},{"url":"http://secunia.com/advisories/42052","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://bugs.proftpd.org/show_bug.cgi?id=3521","tags":["x_refsource_CONFIRM","x_transferred","Exploit","evidence"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2010:227","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","advisory"]},{"url":"http://www.securityfocus.com/bid/44562","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit","evidence"]},{"url":"http://www.vupen.com/english/advisories/2010/2959","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-4221"},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-10-229"},{"url":"https://github.com/advisories/GHSA-gf2w-q84f-pmmw"},{"url":"https://security-tracker.debian.org/tracker/CVE-2010-4221","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2010-4221","description":"Multiple stack-based buffer overflows in the pr_netio_telnet_gets function in netio.c in ProFTPD before 1.3.3c allow remote attackers to execute arbitrary code via vectors involving a TELNET IAC escape character to a (1) FTP or (2) FTPS server.","status":"published","published":"2010-11-09T20:00:00Z","modified":"2024-08-07T03:34:37.786Z","updated_at":"2026-11-02T14:33:28.858903Z"}],"euvd":[{"id":"EUVD-2010-4195","description":"Multiple stack-based buffer overflows in the pr_netio_telnet_gets function in netio.c in ProFTPD before 1.3.3c allow remote attackers to execute arbitrary code via vectors involving a TELNET IAC escape character to a (1) FTP or (2) FTPS server.","status":"published","published":"2010-11-09T20:00:00Z","modified":"2024-08-07T03:34:37Z","updated_at":"2026-11-03T01:39:31.025742Z"}],"ghsa":[{"id":"GHSA-gf2w-q84f-pmmw","title":"Multiple stack-based buffer overflows in the pr_netio_telnet_gets function in netio.c in ProFTPD...","description":"Multiple stack-based buffer overflows in the pr_netio_telnet_gets function in netio.c in ProFTPD before 1.3.3c allow remote attackers to execute arbitrary code via vectors involving a TELNET IAC escape character to a (1) FTP or (2) FTPS server.","status":"published","published":"2022-05-17T05:39:23Z","modified":"2025-04-11T03:42:03Z","cwes":["CWE-119"],"updated_at":"2026-11-02T15:01:06.818128Z"}],"nvd":[{"id":"CVE-2010-4221","description":"Multiple stack-based buffer overflows in the pr_netio_telnet_gets function in netio.c in ProFTPD before 1.3.3c allow remote attackers to execute arbitrary code via vectors involving a TELNET IAC escape character to a (1) FTP or (2) FTPS server.","status":"published","published":"2010-11-09T21:00:06.383Z","modified":"2026-06-16T23:24:23.243Z","cvss":[{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:01:57.065463Z"}],"osv":[{"id":"CVE-2010-4221","description":"Multiple stack-based buffer overflows in the pr_netio_telnet_gets function in netio.c in ProFTPD before 1.3.3c allow remote attackers to execute arbitrary code via vectors involving a TELNET IAC escape character to a (1) FTP or (2) FTPS server.","status":"published","published":"2010-11-09T21:00:06Z","modified":"2026-04-10T03:41:28.485555Z","updated_at":"2026-11-02T15:43:57.991581Z"},{"id":"DEBIAN-CVE-2010-4221","description":"Multiple stack-based buffer overflows in the pr_netio_telnet_gets function in netio.c in ProFTPD before 1.3.3c allow remote attackers to execute arbitrary code via vectors involving a TELNET IAC escape character to a (1) FTP or (2) FTPS server.","status":"published","published":"2010-11-09T21:00:06.383Z","modified":"2026-10-23T17:47:23.009011492Z","updated_at":"2026-11-02T15:45:24.316685Z"}]}}