CVE-2020-6425

Name: CVE-2020-6425
Creator: NVD / NIST
Published: 2020-03-23T16:15:17.313+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 1.15%

Last modified Jun 17, 2026

CVE-2020-6425 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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.. EPSS estimates a 1.15% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

EPSS Probability

1.15%

62.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions	Update
Google	Chrome	< 80.0.3987.149	—
Debian	Debian Linux	9.0	—
Debian	Debian Linux	10.0	—
Fedoraproject	Fedora	30	—
Fedoraproject	Fedora	31	—
Fedoraproject	Fedora	32	—
Opensuse	Backports	sle-15	Sp1

References

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00037.htmlThird Party Advisory
https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop_18.htmlRelease Notes, Vendor Advisory
https://crbug.com/1031670Patch, Third Party Advisory
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/202003-53Third Party Advisory
https://www.debian.org/security/2020/dsa-4645Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00037.htmlThird Party Advisory
https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop_18.htmlRelease Notes, Vendor Advisory
https://crbug.com/1031670Patch, Third Party Advisory
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/202003-53Third Party Advisory
https://www.debian.org/security/2020/dsa-4645Third Party Advisory

Timeline

Published: Mar 23, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-6425?

How severe is CVE-2020-6425?

CVE-2020-6425 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.15% probability of exploitation in the next 30 days.

How do I fix CVE-2020-6425?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-6425?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST