CVE-2021-21205 : What You Need to Know

A detailed overview of CVE-2021-21205, a vulnerability in Google Chrome on iOS that allowed attackers to bypass navigation restrictions.

Understanding CVE-2021-21205

This section provides insights into the nature and impact of CVE-2021-21205.

What is CVE-2021-21205?

CVE-2021-21205 involves insufficient policy enforcement in navigation in Google Chrome on iOS, enabling a remote attacker to bypass navigation restrictions using a crafted HTML page.

The Impact of CVE-2021-21205

The vulnerability allowed malicious actors to circumvent navigation controls, potentially leading to unauthorized access and data compromise.

Technical Details of CVE-2021-21205

Explore the specifics of the CVE-2021-21205 vulnerability.

Vulnerability Description

The flaw resided in Google Chrome versions prior to 90.0.4430.72, permitting unauthorized navigation bypass through specially crafted HTML content.

Affected Systems and Versions

Google Chrome on iOS before version 90.0.4430.72 was vulnerable to this exploit.

Exploitation Mechanism

Attackers leveraged the insufficient policy enforcement in Chrome's navigation to trick users into unintended navigation.

Mitigation and Prevention

Discover the steps to mitigate the risks associated with CVE-2021-21205.

Immediate Steps to Take

Users should update Google Chrome on iOS to version 90.0.4430.72 or later to address this vulnerability.

Long-Term Security Practices

Maintain browser security by regularly updating applications and exercising caution while browsing.

Patching and Updates

Stay informed about security patches and updates released by Google Chrome to safeguard against future threats.