{"id":"CVE-2018-10381","aliases":["EUVD-2018-2454","GHSA-mh68-r8rp-2j3j"],"status":"published","title":"TunnelBear 3.2.0.6 for Windows suffers from a SYSTEM privilege escalation vulnerability through...","description":"TunnelBear 3.2.0.6 for Windows suffers from a SYSTEM privilege escalation vulnerability through the \"TunnelBearMaintenance\" service. This service establishes a NetNamedPipe endpoint that allows arbitrary installed applications to connect and call publicly exposed methods. The \"OpenVPNConnect\" method accepts a server list argument that provides attacker control of the OpenVPN command line. An attacker can specify a dynamic library plugin that should run for every new VPN connection attempt. This plugin will execute code in the context of the SYSTEM user.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03775,"percentile":0.90014,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-732"],"published":"2018-04-26T00:00:00Z","modified":"2026-06-17T01:33:56Z","products":[{"vendor":"mcafee","product":"tunnelbear"}],"references":[{"url":"https://github.com/VerSprite/research/blob/master/advisories/VS-2018-022.md","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-10381"},{"url":"https://github.com/advisories/GHSA-mh68-r8rp-2j3j"}],"sources":{"cve":[{"id":"CVE-2018-10381","description":"TunnelBear 3.2.0.6 for Windows suffers from a SYSTEM privilege escalation vulnerability through the \"TunnelBearMaintenance\" service. This service establishes a NetNamedPipe endpoint that allows arbitrary installed applications to connect and call publicly exposed methods. The \"OpenVPNConnect\" method accepts a server list argument that provides attacker control of the OpenVPN command line. An attacker can specify a dynamic library plugin that should run for every new VPN connection attempt. This plugin will execute code in the context of the SYSTEM user.","status":"published","published":"2018-04-26T00:00:00Z","modified":"2024-09-16T16:49:13.645Z","updated_at":"2026-11-02T14:35:01.619448Z"}],"euvd":[{"id":"EUVD-2018-2454","description":"TunnelBear 3.2.0.6 for Windows suffers from a SYSTEM privilege escalation vulnerability through the \"TunnelBearMaintenance\" service. This service establishes a NetNamedPipe endpoint that allows arbitrary installed applications to connect and call publicly exposed methods. The \"OpenVPNConnect\" method accepts a server list argument that provides attacker control of the OpenVPN command line. An attacker can specify a dynamic library plugin that should run for every new VPN connection attempt. This plugin will execute code in the context of the SYSTEM user.","status":"published","published":"2018-04-26T00:00:00Z","modified":"2024-09-16T16:49:13Z","updated_at":"2026-11-03T00:55:47.716817Z"}],"ghsa":[{"id":"GHSA-mh68-r8rp-2j3j","title":"TunnelBear 3.2.0.6 for Windows suffers from a SYSTEM privilege escalation vulnerability through...","description":"TunnelBear 3.2.0.6 for Windows suffers from a SYSTEM privilege escalation vulnerability through the \"TunnelBearMaintenance\" service. This service establishes a NetNamedPipe endpoint that allows arbitrary installed applications to connect and call publicly exposed methods. The \"OpenVPNConnect\" method accepts a server list argument that provides attacker control of the OpenVPN command line. An attacker can specify a dynamic library plugin that should run for every new VPN connection attempt. This plugin will execute code in the context of the SYSTEM user.","status":"published","published":"2022-05-13T01:48:47Z","modified":"2023-02-02T05:01:45Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:51:15.131458Z"}],"nvd":[{"id":"CVE-2018-10381","description":"TunnelBear 3.2.0.6 for Windows suffers from a SYSTEM privilege escalation vulnerability through the \"TunnelBearMaintenance\" service. This service establishes a NetNamedPipe endpoint that allows arbitrary installed applications to connect and call publicly exposed methods. The \"OpenVPNConnect\" method accepts a server list argument that provides attacker control of the OpenVPN command line. An attacker can specify a dynamic library plugin that should run for every new VPN connection attempt. This plugin will execute code in the context of the SYSTEM user.","status":"published","published":"2018-04-26T00:29:00.25Z","modified":"2026-06-17T01:33:56.693Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:04:26.098615Z"}]}}