What’s Vulnerable › Vulnerabilities

CVE-2020-6420

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-03-23 · updated 2026-06-17

Description

Insufficient policy enforcement in media in Google Chrome prior to 80.0.3987.132 allowed a remote attacker to bypass same origin policy via a crafted HTML page.

Affected products

• Debian Linux: 9.0, 10.0
• Fedoraproject Fedora: 30
• Google Chrome: before 80.0.3987.132 — fixed in 80.0.3987.132

How to fix

Upgrade to a fixed version: Google Chrome 80.0.3987.132. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop.html
• https://crbug.com/1050996
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/
• https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop.html
• https://crbug.com/1050996
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/

Get alerted when CVE-2020-6420 or the next vulnerability affects your stack