Detections
Analytics

WebSocket Unencrypted Traffic

high Web App Scanning Plugin ID 114412

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Synopsis

WebSocket Unencrypted Traffic

Description

WebSocket is a protocol used by modern web application to allow full duplex communication between clients and servers for real-time web applications. By default, WebSocket protocol does not use any encryption when using the base ws:// URL scheme, leaving it open to man-in-the-middle attacks.

Solution

Ensure that WebSocket use the TLS encrypted transport protocol.

See Also

https://devcenter.heroku.com/articles/websocket-security

https://owasp.org/www-project-web-security-testing-guide/v42/4-Web_Application_Security_Testing/11-Client-side_Testing/10-Testing_WebSockets

Plugin Details

Severity: High

ID: 114412

Type: remote

Family: SSL/TLS

Published: 2/12/2025

Updated: 2/12/2025

Scan Template: basic, full, pci, scan

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.1

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:N

CVSS Score Source: Tenable

CVSS v3

Risk Factor: High

Base Score: 7.4

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

CVSS Score Source: Tenable

CVSS v4

Risk Factor: High

Base Score: 7.6

Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

CVSS Score Source: Tenable

Reference Information