Learn about CVE-2021-21210, an inappropriate implementation flaw in Google Chrome allowing remote attackers to access local UDP ports via a crafted HTML page. Find out the impact, technical details, and mitigation steps.
Inappropriate implementation in Network in Google Chrome prior to version 90.0.4430.72 allowed a remote attacker to potentially access local UDP ports via a crafted HTML page.
Understanding CVE-2021-21210
This section provides insights into the impact and technical details of CVE-2021-21210.
What is CVE-2021-21210?
CVE-2021-21210 refers to an inappropriate implementation vulnerability in Google Chrome that could be exploited by a remote attacker to access local UDP ports.
The Impact of CVE-2021-21210
The vulnerability in Google Chrome versions prior to 90.0.4430.72 could enable unauthorized access to local UDP ports, posing a security risk to users.
Technical Details of CVE-2021-21210
Explore the technical aspects of the vulnerability to understand its implications and potential risks.
Vulnerability Description
The inappropriate implementation in the Network component of Chrome allowed remote attackers to access local UDP ports through a maliciously crafted HTML page.
Affected Systems and Versions
Google Chrome versions prior to 90.0.4430.72 are impacted by this vulnerability, putting users at risk of exploitation.
Exploitation Mechanism
By leveraging the flaw in the Network implementation, threat actors could exploit this vulnerability to gain unauthorized access to local UDP ports.
Mitigation and Prevention
Discover the steps to mitigate the risks associated with CVE-2021-21210 and prevent potential exploitation.
Immediate Steps to Take
Users are advised to update Chrome to version 90.0.4430.72 or newer to address the vulnerability and enhance security.
Long-Term Security Practices
Implement best security practices, such as regularly updating software and exercising caution while browsing, to reduce the risk of future vulnerabilities.
Patching and Updates
Stay informed about security updates from Google and promptly apply patches to ensure the protection of systems and data.