CVE-2020-6471

Name: CVE-2020-6471
Creator: NVD / NIST
Published: 2020-05-21T04:15:12.053+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.6/10EPSS 1.40%

Last modified Jun 17, 2026

CVE-2020-6471 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. Insufficient policy enforcement in developer tools in Google Chrome prior to 83.0.4103.61 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.. EPSS estimates a 1.40% chance of exploitation in the next 30 days.

Description

Insufficient policy enforcement in developer tools in Google Chrome prior to 83.0.4103.61 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.

Metrics

CVSS 3.1

9.6/10

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

EPSS Probability

1.40%

69.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-276

Affected Software

Vendor	Product	Versions	Update
Google	Chrome	< 83.0.4103.61	—
Fedoraproject	Fedora	31	—
Fedoraproject	Fedora	32	—
Opensuse	Backports Sle	15.0	Sp1
Opensuse	Leap	15.1	—
Debian	Debian Linux	9.0	—
Debian	Debian Linux	10.0	—

References

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00034.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00038.htmlMailing List, Third Party Advisory
https://chromereleases.googleblog.com/2020/05/stable-channel-update-for-desktop_19.htmlRelease Notes, Vendor Advisory
https://crbug.com/1059577Exploit, Issue Tracking, Patch, Vendor Advisory
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/202006-02Third Party Advisory
https://security.gentoo.org/glsa/202101-30Third Party Advisory
https://www.debian.org/security/2020/dsa-4714Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00034.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00038.htmlMailing List, Third Party Advisory
https://chromereleases.googleblog.com/2020/05/stable-channel-update-for-desktop_19.htmlRelease Notes, Vendor Advisory
https://crbug.com/1059577Exploit, Issue Tracking, Patch, Vendor Advisory
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/202006-02Third Party Advisory
https://security.gentoo.org/glsa/202101-30Third Party Advisory
https://www.debian.org/security/2020/dsa-4714Third Party Advisory

Timeline

Published: May 21, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-6471?

How severe is CVE-2020-6471?

CVE-2020-6471 has a CVSS score of 9.6/10 (CRITICAL severity). The EPSS model estimates a 1.40% probability of exploitation in the next 30 days.

How do I fix CVE-2020-6471?

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-2020-6471?

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

Scan your code now

Source: NVD / NIST