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Case File

CVE-2021-23558

HIGH · CVSS 7.3 EPSS 1.63% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-01-28 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

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

GitHub PoC Links
github.com ↗

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

CVE
CVE-2021-23558
Severity
HIGH
CVSS
7.3
EPSS
1.63%

Original NVD Description

The package bmoor before 0.10.1 are vulnerable to Prototype Pollution due to missing sanitization in set function. **Note:** This vulnerability derives from an incomplete fix in [CVE-2020-7736](https://security.snyk.io/vuln/SNYK-JS-BMOOR-598664)