CVE-2002-1222: Cisco Catos

High severity, CVSS 7.1. EPSS: 8.6% chance of exploitation in the next 30 days.

Buffer overflow in the embedded HTTP server for Cisco Catalyst switches running CatOS 5.4 through 7.3 allows remote attackers to cause a denial of service (reset) via a long HTTP request.

Affected products

• Cisco Catos: version 5.4 only; version 5.5 only; version 5.5(13a) only; version 6.1 only; version 6.1(2) only; version 7.3 only; …

Published 2002-10-28. Last modified 2026-06-16.