CVE-2020-28481 (Medium) detected in socket.io-2.1.1.tgz

## CVE-2020-28481 - Medium Severity Vulnerability
Vulnerable Library - socket.io-2.1.1.tgz

node.js realtime framework server

Library home page: https://registry.npmjs.org/socket.io/-/socket.io-2.1.1.tgz

Path to dependency file: /package.json

Path to vulnerable library: /node_modules/socket.io/package.json

Dependency Hierarchy:
- karma-4.4.1.tgz (Root Library)
- :x: **socket.io-2.1.1.tgz** (Vulnerable Library)

Vulnerability Details

The package socket.io before 2.4.0 are vulnerable to Insecure Defaults due to CORS Misconfiguration. All domains are whitelisted by default.

Publish Date: 2021-01-19

URL: CVE-2020-28481

CVSS 3 Score Details (4.3)

Base Score Metrics:
- Exploitability Metrics:
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- User Interaction: None
- Scope: Unchanged
- Impact Metrics:
- Confidentiality Impact: Low
- Integrity Impact: None
- Availability Impact: None

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28481

Release Date: 2021-01-19

Fix Resolution (socket.io): 2.4.0

Direct dependency fix Resolution (karma): 5.0.8

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