CVE-2006-0764

Original summary

Normalized public record · Updated Nov 3, 2026

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.

Publisher and source text is retained separately from QFinch interpretation.

Affected products

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

1. Confirm the affected product and reachable code path exist in your environment.
2. Apply the vendor-supported patch or mitigation from the primary advisory.
3. Rescan the exact deployed revision and retain verification evidence.

Evidence coverage

SSVC priority

LOW

Confidence

Not available

Aliases

None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

1. 18904 ↗
2. 16661 ↗
3. 1015638 ↗
4. 20060215 TACACS+ Authentication Bypass in Cisco Anomaly Detection and Mitigation Products ↗
5. cisco-tacacs-auth-bypass(24689) ↗
6. 435 ↗
7. ADV-2006-0612 ↗
8. 1015637 ↗
9. 23237 ↗

Record history

Published Feb 18, 2006 · Last refreshed Nov 3, 2026