CVE-2021-21131: Insufficient policy enforcement in File System API

Published Oct 20, 2020
·
Updated

Insufficient policy enforcement in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page.

Credit

Maciej Pulikowski

Affected Software

3 affected componentsFixes available
Google Chrome<88.0.4324.96
88.0.4324.96
Google Chrome<88.0.4324.96
Microsoft Edge Chromium<88.0.705.50

Event History

Oct 20, 2020
CVE Published
12:00 AM
Feb 9, 2021
CVE Published
via MITRE·01:56 PM
Data Sourced
via MITRE·01:56 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2021-21131?

CVE-2021-21131 is classified as a high severity vulnerability.

2

How do I fix CVE-2021-21131?

To fix CVE-2021-21131, update Google Chrome to version 88.0.4324.96 or later.

3

What types of systems are affected by CVE-2021-21131?

CVE-2021-21131 affects Google Chrome versions prior to 88.0.4324.96 and Microsoft Edge Chromium versions prior to 88.0.705.50.

4

What impact does CVE-2021-21131 have on users?

CVE-2021-21131 allows a remote attacker to bypass filesystem restrictions, potentially leading to unauthorized access to user files.

5

When was CVE-2021-21131 disclosed?

CVE-2021-21131 was disclosed in January 2021.

Contact

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