{"id":"CVE-2010-4221","aliases":[],"url":"https://o3.security/vulnerability/CVE-2010-4221","summary":null,"details":"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.","published":"2010-11-09T21:00:06Z","modified":"2026-04-10T03:41:28.485555Z","cvss":null,"epss":{"score":0.91303,"percentile":0.99802,"asOf":"2026-09-04"},"cisaKev":null,"exploitsKnown":9,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"http://secunia.com/advisories/42052"},{"type":"ADVISORY","url":"http://secunia.com/advisories/42217"},{"type":"ADVISORY","url":"http://www.mandriva.com/security/advisories?name=MDVSA-2010:227"},{"type":"ADVISORY","url":"http://www.vupen.com/english/advisories/2010/2941"},{"type":"ADVISORY","url":"http://www.vupen.com/english/advisories/2010/2959"},{"type":"ADVISORY","url":"http://www.vupen.com/english/advisories/2010/2962"},{"type":"ADVISORY","url":"http://www.zerodayinitiative.com/advisories/ZDI-10-229/"},{"type":"EVIDENCE","url":"http://bugs.proftpd.org/show_bug.cgi?id=3521"},{"type":"EVIDENCE","url":"http://www.securityfocus.com/bid/44562"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050687.html"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050703.html"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050726.html"},{"type":"WEB","url":"http://www.proftpd.org/docs/NEWS-1.3.3c"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-04-10T03:41:28.485555Z"}}