CVE-2021-21228
4.3
MEDIUM
CVSS 3.1
EPSS 1.1%
Description
Insufficient policy enforcement in extensions in Google Chrome prior to 90.0.4430.93 allowed an attacker who convinced a user to install a malicious extension to bypass navigation restrictions via a crafted Chrome Extension.
How to fix CVE-2021-21228
To remediate CVE-2021-21228, upgrade the affected package to a fixed version below.
- Debian/chromium—upgrade to 90.0.4430.93-1 or later
Is CVE-2021-21228 being exploited?
Low — EPSS is 1.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 90.0.4430.93-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |