CVE-2004-1164: Cisco Cns Network Registrar

Medium severity, CVSS 5.0. EPSS: 1.6% chance of exploitation in the next 30 days.

The lock manager in Cisco CNS Network Registrar 6.0 through 6.1.1.3 allows remote attackers to cause a denial of service (process crash) via a certain "unexpected packet sequence."

Affected products

• Cisco Cns Network Registrar: version 6.0 only; version 6.0.1 only; version 6.0.2 only; version 6.0.3 only; version 6.0.4 only; version 6.0.5 only; …

Published 2005-01-10. Last modified 2026-06-16.