← Database

CVE-2004-0551

MEDIUM CVSS: 5.0 Published: 2004-08-06 Modified: 2026-06-16

Description

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."

Affected Platforms

Cisco Catalyst 2948G-L3Cisco Catalyst 6000 Ws-X6380-NamCisco CatosCisco Catalyst 4507RCisco Catalyst 6000 Ws-Svc-Nam-1Cisco Catalyst 5000Cisco Catalyst 4510RCisco Catalyst 2980G-ACisco Catalyst 2926TCisco Catalyst 2948-Ge-Tx

Weakness Type

NVD-CWE-Other

References