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CVE-2021-21578 : Security Advisory and Response

Learn about CVE-2021-21578, an open redirect vulnerability in Dell EMC iDRAC9 versions prior to 4.40.40.00. Find out the impact, technical details, affected systems, and mitigation steps.

Dell EMC iDRAC9 versions prior to 4.40.40.00 have an open redirect vulnerability that allows remote attackers to redirect users to malicious websites through crafted links.

Understanding CVE-2021-21578

This CVE involves an open redirect vulnerability in the Integrated Dell Remote Access Controller (iDRAC) by Dell.

What is CVE-2021-21578?

CVE-2021-21578 is an open redirect vulnerability found in Dell EMC iDRAC9 versions prior to 4.40.40.00. Attackers can exploit this issue to redirect users to arbitrary web URLs via malicious links.

The Impact of CVE-2021-21578

The vulnerability can be exploited by remote unauthenticated attackers, leading victim users to unintended and potentially harmful websites.

Technical Details of CVE-2021-21578

This section provides a deeper insight into the specifics of the CVE.

Vulnerability Description

The vulnerability in Dell EMC iDRAC9 versions allows attackers to manipulate users into visiting malicious websites via specially crafted links.

Affected Systems and Versions

Integrated Dell Remote Access Controller (iDRAC) versions prior to 4.40.40.00 are impacted by this security flaw.

Exploitation Mechanism

Remote unauthenticated attackers can exploit this vulnerability by tricking users into clicking on malicious links.

Mitigation and Prevention

Protecting your systems from CVE-2021-21578 is crucial for maintaining security.

Immediate Steps to Take

To mitigate the risk, users should update the affected Dell EMC iDRAC9 versions to 4.40.40.00 or newer.

Long-Term Security Practices

Regularly monitor for security updates and patches from Dell to address vulnerabilities promptly.

Patching and Updates

Stay proactive in applying security patches and updates to safeguard your systems against potential threats.

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