PT-2021-2056

CVE-2021-21131

Published

2021-01-19

Updated

2024-06-15

Description by

CVSS 3.1

6.5

Medium

MetricsAV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions: Google Chrome versions prior to 88.0.4324.96

Description: The issue is related to insufficient policy enforcement in the File System API, allowing a remote attacker to bypass filesystem restrictions. This can be achieved via a crafted HTML page. The vulnerability is associated with weaknesses in the authentication procedure.

Recommendations: For versions prior to 88.0.4324.96, update to version 88.0.4324.96 or later to resolve the issue. As a temporary workaround, consider restricting access to the File System API until a patch is applied. Avoid using the File System API in sensitive operations until the issue is resolved.

Exploitability

Exploit

Fix

Impacts

Researchers

Vendors

Affected products

Weakness enumeration

CWE-287: Improper Authentication

CWE-434: Unrestricted Upload of File with Dangerous Type

CWE-59: Improper Link Resolution Before File Access (\'Link Following\')

Related identifiers