CVE-2021-30571

CRITICAL 9.6CVE-2021-30571 · Published 03/08/2021 · updated 17/06/2026

In short

CVE-2021-30571 is a CRITICAL (CVSS 9.6) vulnerability affecting chrome (google).
Chance of exploitation in the next 30 days (EPSS): 1.2%, higher than 68.1% of all vulnerabilities.
Fix: update to 92.0.4515.107 or later.

Package	Affected versions	Patched versions
chrome google	`< 92.0.4515.107`	`92.0.4515.107`

Description

Insufficient policy enforcement in DevTools in Google Chrome prior to 92.0.4515.107 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted HTML page.

References

chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop_20.html · Vendor Advisory
crbug.com/1101897 · Exploit
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LVY4WIWTVVYKQMROJJS365TZBKEARCF
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPJPUSAWIJMQFBQQQYXAICLI4EKFQOH6
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QW4R2K5HVJ4R6XDZYOJCCFPIN2XHNS3L

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Package

Affected versions

Patched versions

chrome

google

< 92.0.4515.107

92.0.4515.107

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