CVE-2005-0196: Cisco IOS

Medium severity, CVSS 5.0. EPSS: 4.1% chance of exploitation in the next 30 days.

Cisco IOS 12.0 through 12.3YL, with BGP enabled and running the bgp log-neighbor-changes command, allows remote attackers to cause a denial of service (device reload) via a malformed BGP packet.

Affected products

• Cisco IOS: version 12.0 only; version 12.0da only; version 12.0db only; version 12.0dc only; version 12.0s only; version 12.0sc only; …

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