CVE-2006-0561: Cisco Secure Access Control Server

High severity, CVSS 7.2. EPSS: 0.4% chance of exploitation in the next 30 days.

Cisco Secure Access Control Server (ACS) 3.x for Windows stores ACS administrator passwords and the master key in the registry with insecure permissions, which allows local users and remote administrators to decrypt the passwords by using Microsoft's cryptographic API functions to obtain the plaintext version of the master key.

Affected products

• Cisco Secure Access Control Server: version 3.0 only; version 3.0.1 only; version 3.0.3 only; version 3.1 only; version 3.1.1 only; version 3.2 only; …

Published 2006-05-10. Last modified 2026-06-16.