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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