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CVE-2009-4118

LowPublished

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...

Published: Dec 1, 2009
Updated: Sep 16, 2024
Assigning CNA: mitre
Evidence observed: Nov 21, 2009

Primary CVSS

2.1/ 10Low

nvd · CVSS 2.0

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

EPSS probability estimate

2.5%

Low · next 30 days

Percentile: 83.9%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

CVE-2009-4118Exploit
Cisco VPN Client - Integer Overflow Denial of Service
Cisco VPN Client - Integer Overflow Denial of ServiceExploit
Alex Hernandez · windows · Nov 21, 2009

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