CVE-2021-43138 (High) detected in async-2.6.3.tgz

## CVE-2021-43138 - High Severity Vulnerability
Vulnerable Library - async-2.6.3.tgz

Higher-order functions and common patterns for asynchronous code

Library home page: https://registry.npmjs.org/async/-/async-2.6.3.tgz

Path to dependency file: /package.json

Path to vulnerable library: /node_modules/async/package.json

Dependency Hierarchy:
- karma-5.0.4.tgz (Root Library)
- log4js-4.5.1.tgz
- streamroller-1.0.6.tgz
- :x: **async-2.6.3.tgz** (Vulnerable Library)

Vulnerability Details

In Async before 2.6.4 and 3.x before 3.2.2, a malicious user can obtain privileges via the mapValues() method, aka lib/internal/iterator.js createObjectIterator prototype pollution.

Publish Date: 2022-04-06

URL: CVE-2021-43138

CVSS 3 Score Details (7.8)

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

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://nvd.nist.gov/vuln/detail/CVE-2021-43138

Release Date: 2022-04-06

Fix Resolution (async): 2.6.4

Direct dependency fix Resolution (karma): 5.0.8

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