CVE-2009-4118

Published: Dec 1, 2009Modified: Apr 23, 2026

2.1

Vector

AV:L/AC:L/Au:N/C:N/I:N/A:P

Exploitability: 3.9 / Impact: 2.9

Source: NVD

Description

The StartServiceCtrlDispatcher function in the cvpnd service (cvpnd.exe) in Cisco VPN client for Windows before 5.0.06.0100 does not properly handle an ERROR_FAILED_SERVICE_CONTROLLER_CONNECT error, which allows local users to cause a denial of service (service crash and VPN connection loss) via a manual start of cvpnd.exe while the cvpnd service is running.

Affected (21)

Products: Cisco: Vpn Client

Cisco

1 product

Vpn Client

Configuration A

21 vulnerable

Vulnerable Software	Affected Versions
Cisco Vpn Client	Version 0490 base
Cisco Vpn Client	Version 2.0
Cisco Vpn Client	Version 3.0.5
Cisco Vpn Client	Version 3.0
Cisco Vpn Client	Version 3.1
Cisco Vpn Client	Version 3.5.1
Cisco Vpn Client	Version 3.5.1c
Cisco Vpn Client	Version 3.5.2
Cisco Vpn Client	Version 3.6.5 base
Cisco Vpn Client	Version 4.7.00.0000
Cisco Vpn Client	Version 4.8.00.0000
Cisco Vpn Client	Version 4.8.00.0440
Cisco Vpn Client	Version 4.8.01 base
Cisco Vpn Client	Version 4.8.02.0010 base
Cisco Vpn Client	Version 4.8.1
Cisco Vpn Client	Version 4.9 base
Cisco Vpn Client	Version 5.0.00.340 base
Cisco Vpn Client	Version 5.0.01.0600 base
Cisco Vpn Client	Version 5.0.01
Cisco Vpn Client	Version 5.0.02.0090 base
Cisco Vpn Client	Version 5.0.2.0090