What’s Vulnerable › Vulnerabilities

CVE-2020-6478

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-05-21 · updated 2026-06-17

Description

Inappropriate implementation in full screen in Google Chrome prior to 83.0.4103.61 allowed a remote attacker to spoof security UI via a crafted HTML page.

Affected products

• Debian Linux: 9.0, 10.0
• Fedoraproject Fedora: 31, 32
• Google Chrome: before 83.0.4103.61 — fixed in 83.0.4103.61
• openSUSE Backports Sle: 15.0-sp1
• openSUSE Leap: 15.1

How to fix

Upgrade to a fixed version: Google Chrome 83.0.4103.61. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00034.html
• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00038.html
• https://chromereleases.googleblog.com/2020/05/stable-channel-update-for-desktop_19.html
• https://crbug.com/1037730
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OQYH5OK7O4BU6E37WWG5SEEHV65BFSGR/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WLFZ5N4EK6I4ZJP5YSKLLVN3ELXEB4XT/
• https://security.gentoo.org/glsa/202006-02
• https://www.debian.org/security/2020/dsa-4714
• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00034.html
• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00038.html
• https://chromereleases.googleblog.com/2020/05/stable-channel-update-for-desktop_19.html
• https://crbug.com/1037730

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