CVE-2021-21163
6.5
MEDIUM
CVSS 3.1
EPSS 0.94%
Description
Insufficient data validation in Reader Mode in Google Chrome on iOS prior to 89.0.4389.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page and a malicious server.
How to fix CVE-2021-21163
To remediate CVE-2021-21163, upgrade the affected package to a fixed version below.
- Debian/chromium—upgrade to 89.0.4389.82-1 or later
Is CVE-2021-21163 being exploited?
Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 89.0.4389.82-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |