CVE-2021-21178
6.5
MEDIUM
CVSS 3.1
EPSS 1.6%
Description
Inappropriate implementation in Compositing in Google Chrome on Linux and Windows prior to 89.0.4389.72 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.
How to fix CVE-2021-21178
To remediate CVE-2021-21178, upgrade the affected package to a fixed version below.
- Debian/chromium—upgrade to 89.0.4389.82-1 or later
Is CVE-2021-21178 being exploited?
Low — EPSS is 1.6%, 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:N/I:H/A:N |