CVE-2006-0764: Cisco Anomaly Guard Module

Medium severity, CVSS 5.1. EPSS: 2% chance of exploitation in the next 30 days.

The Authentication, Authorization, and Accounting (AAA) capability in versions 5.0(1) and 5.0(3) of the software used by multiple Cisco Anomaly Detection and Mitigation products, when running with an incomplete TACACS+ configuration without a "tacacs-server host" command, allows remote attackers to bypass authentication and gain privileges, aka Bug ID CSCsd21455.

Affected products

• Cisco Anomaly Guard Module: version 5.0(1) only; version 5.0(3) only
• Cisco Guard: version 5.0(1) only; version 5.0(3) only
• Cisco Traffic Anomaly Detector Module: version 5.0(1) only; version 5.0(3) only

Published 2006-02-18. Last modified 2026-06-16.