CVE-2018-15490

HighCVSS 7.1/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 7.1/10CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-22

Affected software

No affected versions have been published.

Timeline

Published: Jan 2, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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