{"id":"CVE-2018-15490","aliases":["EUVD-2018-7368","GHSA-f5mw-fw9m-vxmc"],"status":"published","title":"An issue was discovered in ExpressVPN on Windows. The Xvpnd.exe process (which runs as a service...","description":"An issue was discovered in ExpressVPN on Windows. The Xvpnd.exe process (which runs as a service with SYSTEM privileges) listens on TCP port 2015, which is used as an RPC interface for communication with the client side of the ExpressVPN application. A JSON-RPC protocol over HTTP is used for communication. The JSON-RPC XVPN.GetPreference and XVPN.SetPreference methods are vulnerable to path traversal, and allow reading and writing files on the file system on behalf of the service.","severity":{"version":"3.0","score":7.1,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00609,"percentile":0.49431,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2019-01-02T18:00:00Z","modified":"2026-06-17T01:42:37Z","products":[{"vendor":"expressvpn","product":"expressvpn"}],"references":[{"url":"https://medium.com/%40Wflki/https-medium-com-wflki-cve-2018-15490-expressvpn-local-privilege-escalation-d22c86fecc47","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-15490"},{"url":"https://medium.com/@Wflki/https-medium-com-wflki-cve-2018-15490-expressvpn-local-privilege-escalation-d22c86fecc47"},{"url":"https://github.com/advisories/GHSA-f5mw-fw9m-vxmc"}],"sources":{"cve":[{"id":"CVE-2018-15490","description":"An issue was discovered in ExpressVPN on Windows. The Xvpnd.exe process (which runs as a service with SYSTEM privileges) listens on TCP port 2015, which is used as an RPC interface for communication with the client side of the ExpressVPN application. A JSON-RPC protocol over HTTP is used for communication. The JSON-RPC XVPN.GetPreference and XVPN.SetPreference methods are vulnerable to path traversal, and allow reading and writing files on the file system on behalf of the service.","status":"published","published":"2019-01-02T18:00:00Z","modified":"2024-08-05T09:54:03.767Z","updated_at":"2026-11-02T14:35:03.825765Z"}],"euvd":[{"id":"EUVD-2018-7368","description":"An issue was discovered in ExpressVPN on Windows. The Xvpnd.exe process (which runs as a service with SYSTEM privileges) listens on TCP port 2015, which is used as an RPC interface for communication with the client side of the ExpressVPN application. A JSON-RPC protocol over HTTP is used for communication. The JSON-RPC XVPN.GetPreference and XVPN.SetPreference methods are vulnerable to path traversal, and allow reading and writing files on the file system on behalf of the service.","status":"published","published":"2019-01-02T18:00:00Z","modified":"2024-08-05T09:54:03Z","updated_at":"2026-11-03T02:39:44.728742Z"}],"ghsa":[{"id":"GHSA-f5mw-fw9m-vxmc","title":"An issue was discovered in ExpressVPN on Windows. The Xvpnd.exe process (which runs as a service...","description":"An issue was discovered in ExpressVPN on Windows. The Xvpnd.exe process (which runs as a service with SYSTEM privileges) listens on TCP port 2015, which is used as an RPC interface for communication with the client side of the ExpressVPN application. A JSON-RPC protocol over HTTP is used for communication. The JSON-RPC XVPN.GetPreference and XVPN.SetPreference methods are vulnerable to path traversal, and allow reading and writing files on the file system on behalf of the service.","status":"published","published":"2022-05-14T01:38:18Z","modified":"2023-02-02T05:04:12Z","cvss":[{"version":"3.0","score":7.1,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:51:48.979759Z"}],"nvd":[{"id":"CVE-2018-15490","description":"An issue was discovered in ExpressVPN on Windows. The Xvpnd.exe process (which runs as a service with SYSTEM privileges) listens on TCP port 2015, which is used as an RPC interface for communication with the client side of the ExpressVPN application. A JSON-RPC protocol over HTTP is used for communication. The JSON-RPC XVPN.GetPreference and XVPN.SetPreference methods are vulnerable to path traversal, and allow reading and writing files on the file system on behalf of the service.","status":"published","published":"2019-01-02T18:29:00.653Z","modified":"2026-06-17T01:42:37Z","cvss":[{"version":"3.0","score":7.1,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":6.6,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:04:52.056758Z"}]}}