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.
:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.
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
Dependency Hierarchy: - webpack-dev-server-3.11.0.tgz (Root Library) - portfinder-1.0.28.tgz - :x: **async-2.6.3.tgz** (Vulnerable Library)
Found in base branch: main
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 (webpack-dev-server): 3.11.1
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