CVE-2004-1775: Cisco VACM (View-based Access Control MIB) for Catalyst Operating Software (CatOS) 5.5 and 6.1 and IOS 12.0...

Security readout for executives and security teams

This issue affects legacy Cisco network software and could let a remote attacker read or change device configuration through an SNMP read-write community string. Business risk is highest where old CatOS or IOS devices remain reachable from untrusted networks or use shared, weak, or exposed SNMP community strings. Likely exposure is limited to legacy Cisco Catalyst CatOS 5.5/6.1 or IOS 12.0/12.1 deployments with SNMP read-write community strings configured and reachable. Modern environments may still be exposed through forgotten switches, management VLAN leaks, or inherited SNMP configurations. Prioritize if legacy Cisco switching or routing remains in production. Configuration modification risk can affect network availability, segmentation, and monitoring integrity. If no affected versions or reachable SNMP read-write strings exist, urgency drops substantially. Mitigation focus: Review Cisco advisory for supported fixes or workarounds.; Inventory Cisco CatOS 5.5/6.1 and IOS 12.0/12.1 devices.; Restrict SNMP management access to trusted administrative networks..

Prepared

Jun 29, 2026, 22:16 UTC (UTC+00:00)

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