Vulnerabilities > Cisco > Catos > 5.5.6a
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2004-08-06 | CVE-2004-0551 | Denial-Of-Service vulnerability in Cisco Catalyst 4500 Cisco CatOS 5.x before 5.5(20) through 8.x before 8.2(2) and 8.3(2)GLX, as used in Catalyst switches, allows remote attackers to cause a denial of service (system crash and reload) by sending invalid packets instead of the final ACK portion of the three-way handshake to the (1) Telnet, (2) HTTP, or (3) SSH services, aka "TCP-ACK DoS attack." | 5.0 |