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CRITICAL

CVE-2020-6471

CVSS v3

9.6

CRITICAL

EPSS Score

1.4 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2020-05-21

Frequently asked questions

What is CVE-2020-6471?

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.

Is CVE-2020-6471 actively exploited?

Active exploitation of CVE-2020-6471 has not been confirmed. Its EPSS score was 1.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-6471?

CVE-2020-6471 has a CVSS v3 base score of 9.6 (CRITICAL severity).

Is CVE-2020-6471 affecting your environment?

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