What’s Vulnerable › Vulnerabilities

CVE-2020-6425

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-03-23 · updated 2026-06-17
• Weakness: CWE-20

Description

Insufficient policy enforcement in extensions in Google Chrome prior to 80.0.3987.149 allowed an attacker who convinced a user to install a malicious extension to bypass site isolation via a crafted Chrome Extension.

Affected products

• Debian Linux: 9.0, 10.0
• Fedoraproject Fedora: 30, 31, 32
• Google Chrome: before 80.0.3987.149 — fixed in 80.0.3987.149
• openSUSE Backports: sle-15-sp1

How to fix

Upgrade to a fixed version: Google Chrome 80.0.3987.149. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00037.html
• https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop_18.html
• https://crbug.com/1031670
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2DDNOAGIX5D77TTHT6YPMVJ5WTXTCQEI/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWANFIR3PYAL5RJQ4AO3ZS2DYMSF2ZGZ/
• https://security.gentoo.org/glsa/202003-53
• https://www.debian.org/security/2020/dsa-4645
• http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00037.html
• https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop_18.html
• https://crbug.com/1031670
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2DDNOAGIX5D77TTHT6YPMVJ5WTXTCQEI/

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