OCTOBER 2, 2026
Live Feed
Back to database
Case File

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

This is a critical severity vulnerability with a CVSS score of 9.6. It affects Chrome.

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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)