{"id":"CVE-2009-4118","aliases":["EUVD-2009-4089","GHSA-r65m-rpw4-4w3f"],"status":"published","title":"The StartServiceCtrlDispatcher function in the cvpnd service (cvpnd.exe) in Cisco VPN client for...","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.","severity":{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02505,"percentile":0.84839,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2009-12-01T00:00:00Z","modified":"2026-06-16T23:13:04Z","exploits":[{"source":"exploitdb","id":"EDB-10190","title":"Cisco VPN Client - Integer Overflow Denial of Service","type":"dos","platform":"windows","date":"2009-11-21","verified":true,"url":"https://www.exploit-db.com/exploits/10190"},{"source":"pocgithub","id":"alt3kx/CVE-2009-4118","title":"alt3kx/CVE-2009-4118","date":"2018-04-02","url":"https://github.com/alt3kx/CVE-2009-4118"}],"products":[{"vendor":"cisco","product":"vpn_client"}],"references":[{"url":"http://secunia.com/advisories/37419","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://packetstormsecurity.org/0911-exploits/sybsec-adv17.txt","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://www.vupen.com/english/advisories/2009/3296","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"http://tools.cisco.com/security/center/viewAlert.x?alertId=19445","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/37077","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-4118"},{"url":"https://github.com/advisories/GHSA-r65m-rpw4-4w3f"}],"sources":{"cve":[{"id":"CVE-2009-4118","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.","status":"published","published":"2009-12-01T00:00:00Z","modified":"2024-09-16T16:13:26.291Z","updated_at":"2026-11-02T14:33:24.782697Z"}],"euvd":[{"id":"EUVD-2009-4089","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.","status":"published","published":"2009-12-01T00:00:00Z","modified":"2024-09-16T16:13:26Z","updated_at":"2026-11-03T00:55:53.971387Z"}],"ghsa":[{"id":"GHSA-r65m-rpw4-4w3f","title":"The StartServiceCtrlDispatcher function in the cvpnd service (cvpnd.exe) in Cisco VPN client for...","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.","status":"published","published":"2022-05-02T03:51:52Z","modified":"2023-01-31T05:08:33Z","updated_at":"2026-11-02T14:49:25.206701Z"}],"nvd":[{"id":"CVE-2009-4118","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.","status":"published","published":"2009-12-01T00:30:00.233Z","modified":"2026-06-16T23:13:04.523Z","cvss":[{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:01:37.939838Z"}]}}