CVE-2021-21111

CRITICAL · CVSS 9.6 EPSS 1.06%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-01-08 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE

CVE-2021-21111

Severity

CRITICAL

CVSS

9.6

EPSS

1.06%

Chrome

Original NVD Description

Insufficient policy enforcement in WebUI in Google Chrome prior to 87.0.4280.141 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.