AUGUST 4, 2026
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Case File

CVE-2021-23543

CRITICAL · CVSS 9.8 EPSS 1.76%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-01-10 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. See the original NVD description below for full technical details.

CVE
CVE-2021-23543
Severity
CRITICAL
CVSS
9.8
EPSS
1.76%

Original NVD Description

All versions of package realms-shim are vulnerable to Sandbox Bypass via a Prototype Pollution attack vector.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2023-39532 CRITICAL CVE-2021-23594 CRITICAL