CVE-2021-3647 : Vulnerability Insights and Analysis

A detailed overview of the CVE-2021-3647 vulnerability in medialize/URI.js, impacting versions <=1.19.6.

Understanding CVE-2021-3647

This CVE involves an Open Redirect vulnerability in medialize/URI.js, allowing URL Redirection to Untrusted Sites.

What is CVE-2021-3647?

CVE-2021-3647 is a vulnerability in the medialize/URI.js library that could be exploited for URL Redirection to Untrusted Sites, potentially leading to phishing attacks.

The Impact of CVE-2021-3647

With a CVSS Base Score of 5.3 (Medium Severity), this vulnerability poses a risk of unauthorized redirection of users to malicious websites, impacting the integrity of the affected systems.

Technical Details of CVE-2021-3647

Investigating the specifics of the CVE-2021-3647 vulnerability.

Vulnerability Description

The vulnerability allows attackers to craft malicious URLs that redirect users to untrusted sites, bypassing security mechanisms.

Affected Systems and Versions

medialize/URI.js versions <=1.19.6 are affected by this vulnerability, making them susceptible to URL Redirection attacks.

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking users into clicking on a crafted URL, leading them to malicious websites.

Mitigation and Prevention

Guidelines on mitigating and preventing the CVE-2021-3647 vulnerability.

Immediate Steps to Take

Users should update to a patched version of medialize/URI.js (beyond version 1.19.6) to mitigate the risk of URL Redirection attacks.

Long-Term Security Practices

Implement secure coding practices, input validation mechanisms, and user awareness training to prevent similar attacks in the future.

Patching and Updates

Regularly monitor for security updates and apply patches promptly to address known vulnerabilities in third-party libraries.