
CVE-2000-1022 – Cisco PIX Firewall 4.x/5.x - SMTP Content Filtering Evasion
https://notcve.org/view.php?id=CVE-2000-1022
11 Dec 2000 — The mailguard feature in Cisco Secure PIX Firewall 5.2(2) and earlier does not properly restrict access to SMTP commands, which allows remote attackers to execute restricted commands by sending a DATA command before sending the restricted commands. • https://www.exploit-db.com/exploits/20231 •

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 •

CVE-2000-0150
https://notcve.org/view.php?id=CVE-2000-0150
12 Feb 2000 — Check Point Firewall-1 allows remote attackers to bypass port access restrictions on an FTP server by forcing it to send malicious packets that Firewall-1 misinterprets as a valid 227 response to a client's PASV attempt. • http://www.kb.cert.org/vuls/id/328867 •

CVE-1999-0158
https://notcve.org/view.php?id=CVE-1999-0158
31 Aug 1998 — Cisco PIX firewall manager (PFM) on Windows NT allows attackers to connect to port 8080 on the PFM server and retrieve any file whose name and location is known. • http://www.cisco.com/warp/public/770/pixmgrfile-pub.shtml •

CVE-1999-0157
https://notcve.org/view.php?id=CVE-1999-0157
18 Aug 1998 — Cisco PIX firewall and CBAC IP fragmentation attack results in a denial of service. • http://www.osvdb.org/1097 •