CVE-2004-1749: Attack Mitigator IPS 5500 3.11.008, and possibly other versions, when configured in a one-armed routing con...

Security readout for executives and security teams

This is a denial-of-service issue in Top Layer Attack Mitigator IPS 5500 3.11.008, and possibly other versions, when used in a one-armed routing setup. A remote attacker could drive high CPU use with many HTTP requests, potentially degrading the IPS appliance and related traffic handling. Exposure is most likely where legacy Attack Mitigator IPS 5500 appliances remain deployed, especially in one-armed routing mode. The provided sources do not identify internet exposure requirements, management-plane involvement, or all affected versions. Treat this as a legacy resilience risk, not a confirmed emergency. If the appliance is still in production, prioritize inventory, vendor-status confirmation, and replacement planning because an IPS failure can affect security monitoring and traffic availability. Mitigation focus: Check vendor or successor guidance for fixed versions or configuration recommendations.; Inventory any Attack Mitigator IPS 5500 deployments and confirm software versions.; Identify whether any deployment uses one-armed routing configuration..

Prepared

Jun 29, 2026, 23:55 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.