This page lists publicly disclosed CVE vulnerabilities affecting cisco catalyst_4000 (linked via NVD CPE). Each row includes severity scores, summaries, and publication dates to help identify and analyze security issues.
| CVE | Summary | Source | Max CVSS | EPSS % | Published | Updated |
|---|---|---|---|---|---|---|
| CVE-2005-4258 | Unspecified 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 (aka LanD). NOTE: the provenance of this issue is unknown; the details are obtained solely from the BID. | [email protected] | 7.8 | 2.05% | 2005-12-15 | 2026-06-16 |
| CVE-2004-0551 | 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." | [email protected] | 5.0 | 3.13% | 2004-08-06 | 2026-06-16 |
| CVE-2001-0895 | Multiple 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 address for the router, which eventually causes the router to overwrite the MAC address in its ARP table. | [email protected] | 5.0 | 2.35% | 2001-11-15 | 2026-06-16 |
| CVE-2001-0080 | Cisco 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. | [email protected] | 5.0 | 8.95% | 2001-02-12 | 2026-06-16 |