Catalyst 4000

This hub aggregates every CVE we track for Catalyst 4000, a product in the networking infrastructure space. Use it to gauge the current risk picture and drill into individual advisories.

Severity distribution

Monthly trend

The 4 most recently published vulnerabilities affecting Catalyst 4000.

• CVE-2005-4258Unspecified Cisco Catalyst Switches allow remote attackers to cause a denial of service (device crash) via an IP packet with the same source and destination IPs and ports, and with the SYN flag set...7.8Dec 15, 2005
• CVE-2004-0551Cisco 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 inval...5.0Jun 15, 2004
• CVE-2001-0895Multiple Cisco networking products allow remote attackers to cause a denial of service on the local network via a series of ARP packets sent to the router's interface that contains a different MAC ...5.0Jun 25, 2002
• CVE-2001-0080Cisco Catalyst 6000, 5000, or 4000 switches allow remote attackers to cause a denial of service by connecting to the SSH service with a non-SSH client, which generates a protocol mismatch error.5.0May 7, 2001