CVE-2005-0195: Cisco IOS

Medium severity, CVSS 5.0. EPSS: 3.7% chance of exploitation in the next 30 days.

Cisco IOS 12.0S through 12.3YH allows remote attackers to cause a denial of service (device restart) via a crafted IPv6 packet.

Affected products

• Cisco IOS: version 12.0s only; version 12.0sx only; version 12.0sz only; version 12.2b only; version 12.2bc only; version 12.2bx only; …

Published 2005-05-02. Last modified 2026-06-16.