CVE-2009-4118
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.
Key facts
- CVSS score
- 2.1 (v2.0)
- Severity
- LOW
- CVSS vector
AV:L/AC:L/Au:N/C:N/I:N/A:P- EPSS score
- 2.5% (85th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-4089)
- Published
- December 1, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-4089 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.
View on the EU Vulnerability DatabaseAffected products
- cisco / vpn client
- cisco / vpn client
- cisco / vpn client
- cisco / vpn client
- cisco / vpn client
- cisco / vpn client
- cisco / vpn client
- cisco / vpn client
- cisco / vpn client
- cisco / vpn client
- cisco / vpn client
- cisco / vpn client
- cisco / vpn client
- cisco / vpn client
- cisco / vpn client
- cisco / vpn client
- cisco / vpn client
- cisco / vpn client
- cisco / vpn client
- cisco / vpn client
- cisco / vpn client
References
- http://packetstormsecurity.org/0911-exploits/sybsec-adv17.txt(Exploit)
- http://secunia.com/advisories/37419(Vendor Advisory)
- http://tools.cisco.com/security/center/viewAlert.x?alertId=19445(Vendor Advisory)
- http://www.securityfocus.com/bid/37077(Exploit)
- http://www.vupen.com/english/advisories/2009/3296(Vendor Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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