CVE-2007-1066: Cisco Secure Services Client

Medium severity, CVSS 6.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Cisco Secure Services Client (CSSC) 4.x, Trust Agent 1.x and 2.x, Cisco Security Agent (CSA) 5.0 and 5.1 (when a vulnerable Trust Agent has been deployed), and the Meetinghouse AEGIS SecureConnect Client use an insecure default Discretionary Access Control Lists (DACL) for the connection client GUI, which allows local users to gain privileges by injecting "a thread under ConnectionClient.exe," aka CSCsg20558.

Affected products

• Cisco Secure Services Client: version 4.0 only; version 4.0.5 only; version 4.0.51 only
• Cisco Security Agent: version 5.0 only; version 5.1 only
• Cisco Trust Agent: version 1.0 only; version 2.0 only; version 2.0.1 only; version 2.1 only
• Meetinghouse Aegis Secureconnect Client: version windows_platform only

Published 2007-02-22. Last modified 2026-06-16.