The Java WebSocket client nv-websocket-client does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL/TLS servers via an arbitrary valid certificate.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| com.neovisionaries:nv-websocket-client(Maven) | 0 | 2.1 | N/A |
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