AUGUST 4, 2026
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Case File

CVE-2021-43138

HIGH · CVSS 7.8 EPSS 3.35% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-04-06 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-43138
Severity
HIGH
CVSS
7.8
EPSS
3.35%

Original NVD Description

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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)