HIGH · 8.1

CVE-2021-21172

Insufficient policy enforcement in File System API in Google Chrome on Windows prior to 89.0.4389.72 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page.

Vulnerability Description

Insufficient policy enforcement in File System API in Google Chrome on Windows prior to 89.0.4389.72 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page.

CVSS Score

8.1

HIGH

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

Affected Products

VendorProductVersions
GoogleChrome< 89.0.4389.72
MicrosoftWindows-
FedoraprojectFedora32
DebianDebian Linux10.0

References

FAQ

What is CVE-2021-21172?

CVE-2021-21172 is a vulnerability with a CVSS score of 8.1 (HIGH). Insufficient policy enforcement in File System API in Google Chrome on Windows prior to 89.0.4389.72 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page.

How severe is CVE-2021-21172?

CVE-2021-21172 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-21172?

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