VULNERABILITY INTELLIGENCE
CVE-2021-21111
CVSS score9.6 CRITICAL
EPSS probability1.08%
CISA KEVNot currently listed
Published2021-01-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
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.
Weakness classification
- nvd@nist.gov: CWE-1021
Primary references
- chrome-cve-admin@google.com — Release Notes, Vendor Advisory
- chrome-cve-admin@google.com — Permissions Required, Vendor Advisory
- chrome-cve-admin@google.com
- chrome-cve-admin@google.com
- chrome-cve-admin@google.com — Third Party Advisory
- chrome-cve-admin@google.com — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Permissions Required, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory