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.
Vulnerable Library - winston-2.3.0.tgz
Vulnerabilities
Details
CVE-2021-43138
### Vulnerable Library - async-1.0.0.tgzHigher-order functions and common patterns for asynchronous code
Library home page: https://registry.npmjs.org/async/-/async-1.0.0.tgz
Dependency Hierarchy: - winston-2.3.0.tgz (Root Library) - :x: **async-1.0.0.tgz** (Vulnerable Library)
Found in base branch: main
### Vulnerability DetailsIn 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 FixType: 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 (winston): 2.4.6