CVE-2001-0862: Cisco 12000 Router

High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days.

Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not block non-initial packet fragments, which allows remote attackers to bypass the ACL.

Affected products

• Cisco 12000 Router: any version

Published 2001-12-06. Last modified 2026-06-16.