CVE-2021-21139: Inappropriate implementation in iframe sandbox

Published Mar 1, 2019
·
Updated

Inappropriate implementation in iframe sandbox in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page.

Credit

Jun Kokatsu, Microsoft Browser Vulnerability Research

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

Remediation

Event History

Mar 1, 2019
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-2021-21139?

CVE-2021-21139 has a high severity rating due to its potential to allow remote attackers to bypass navigation restrictions.

2

How do I fix CVE-2021-21139?

To fix CVE-2021-21139, update Google Chrome to version 88.0.4324.96 or later.

3

Which versions of Chrome and Edge Chromium are affected by CVE-2021-21139?

CVE-2021-21139 affects Google Chrome versions prior to 88.0.4324.96 and Microsoft Edge Chromium versions prior to 88.0.705.50.

4

What kind of attack can be conducted using CVE-2021-21139?

An attacker can exploit CVE-2021-21139 to bypass navigation restrictions through a crafted HTML page.

5

Is CVE-2021-21139 related to any specific browser functionality?

CVE-2021-21139 is associated with an inappropriate implementation in the iframe sandbox feature of Google Chrome.

Contact

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