CVE-2021-4321
4.3
MEDIUM
CVSS 3.1
EPSS 0.44%
Description
Policy bypass in Blink in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass content security policy via a crafted HTML page. (Chromium security severity: Low)
How to fix CVE-2021-4321
To remediate CVE-2021-4321, upgrade the affected package to a fixed version below.
- Debian/chromium—upgrade to 97.0.4692.71-0.1~deb11u1 or later
Is CVE-2021-4321 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 97.0.4692.71-0.1~deb11u1
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 |