CVE-2000-1027 – Cisco PIX Firewall 5.2 - PASV Mode FTP Internal Address Disclosure

https://notcve.org/view.php?id=CVE-2000-1027

11 Dec 2000 — Cisco Secure PIX Firewall 5.2(2) allows remote attackers to determine the real IP address of a target FTP server by flooding the server with PASV requests, which includes the real IP address in the response when passive mode is established. • https://www.exploit-db.com/exploits/20369 •