Vulnerability in Google Chrome
CVE-2021-21178
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.016 (75.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Google Chrome — versions unspecified
- Linux Kernel
- Microsoft Windows
- Debian Linux — versions 10.0
- Fedoraproject Fedora — versions 32, 33, 34
References
- chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html (Release Notes, Vendor Advisory)
- crbug.com/1174186 (Permissions Required, Patch, Third Party Advisory, Issue Tracking)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.debian.org/security/2021/dsa-4886 (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/202104-08 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21178?
- CVE-2021-21178 is a medium-severity vulnerability in Google Chrome. CVSS score: 6.5/10. Published 2021-03-09.
- How severe is CVE-2021-21178?
- Medium severity. CVSS v3 base score is 6.5 out of 10.