HIGH · 8.6

CVE-2021-21202

Use after free in extensions in Google Chrome prior to 90.0.4430.72 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chro...

Vulnerability Description

Use after free in extensions in Google Chrome prior to 90.0.4430.72 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.

CVSS Score

8.6

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
GoogleChrome< 90.0.4430.72
DebianDebian Linux10.0
FedoraprojectFedora32

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-21202?

CVE-2021-21202 is a vulnerability with a CVSS score of 8.6 (HIGH). Use after free in extensions in Google Chrome prior to 90.0.4430.72 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chro...

How severe is CVE-2021-21202?

CVE-2021-21202 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-21202?

Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Debian Debian Linux, Fedoraproject Fedora.