
CVE-2002-1094
https://notcve.org/view.php?id=CVE-2002-1094
10 Sep 2002 — Information leaks in Cisco VPN 3000 Concentrator 2.x.x and 3.x.x before 3.5.4 allow remote attackers to obtain potentially sensitive information via the (1) SSH banner, (2) FTP banner, or (3) an incorrect HTTP request. • http://www.cisco.com/warp/public/707/vpn3k-multiple-vuln-pub.shtml •

CVE-2002-1100
https://notcve.org/view.php?id=CVE-2002-1100
10 Sep 2002 — Cisco VPN 3000 Concentrator 2.2.x, and 3.x before 3.5.3, allows remote attackers to cause a denial of service (crash) via a long (1) username or (2) password to the HTML login interface. • http://www.cisco.com/warp/public/707/vpn3k-multiple-vuln-pub.shtml •

CVE-2002-1101 – Cisco VPN 3000 Series Concentrator Client - Authentication Denial of Service
https://notcve.org/view.php?id=CVE-2002-1101
10 Sep 2002 — Cisco VPN 3000 Concentrator 2.2.x, 3.6(Rel), and 3.x before 3.5.5, allows remote attackers to cause a denial of service via a long user name. • https://www.exploit-db.com/exploits/21770 •

CVE-2002-1103
https://notcve.org/view.php?id=CVE-2002-1103
10 Sep 2002 — Cisco VPN 3000 Concentrator 2.2.x, 3.6(Rel), and 3.x before 3.5.5, allows remote attackers to cause a denial of service via (1) malformed or (2) large ISAKMP packets. • http://www.cisco.com/warp/public/707/vpn3k-multiple-vuln-pub.shtml •

CVE-2001-0428
https://notcve.org/view.php?id=CVE-2001-0428
02 Jul 2001 — Cisco VPN 3000 series concentrators before 2.5.2(F) allow remote attackers to cause a denial of service via an IP packet with an invalid IP option. • http://www.cisco.com/warp/public/707/vpn3k-ipoptions-vuln-pub.shtml •

CVE-2001-0427
https://notcve.org/view.php?id=CVE-2001-0427
18 Jun 2001 — Cisco VPN 3000 series concentrators before 2.5.2(F) allow remote attackers to cause a denial of service via a flood of invalid login requests to (1) the SSL service, or (2) the telnet service, which do not properly disconnect the user after several failed login attempts. • http://www.cisco.com/warp/public/707/vpn3k-telnet-vuln-pub.shtml • CWE-20: Improper Input Validation •