CVE-2021-21580 : What You Need to Know

This article provides insights into CVE-2021-21580, a vulnerability found in Integrated Dell Remote Access Controller (iDRAC) by Dell.

Understanding CVE-2021-21580

CVE-2021-21580 is a Content Spoofing/Text Injection vulnerability impacting Dell EMC iDRAC8 versions prior to 2.80.80.80 and Dell EMC iDRAC9 versions prior to 5.00.00.00.

What is CVE-2021-21580?

The vulnerability allows a malicious URL to inject text, presenting a customized message on the application. This can deceive users into believing the message is legitimate, leading to phishing attacks.

The Impact of CVE-2021-21580

With a CVSS base score of 4.3 (Medium severity), the attack complexity is low, but user interaction is required. While it doesn't affect confidentiality, it can impact the integrity of the system.

Technical Details of CVE-2021-21580

The technical details of CVE-2021-21580 include:

Vulnerability Description

It involves Content Spoofing/Text Injection, allowing malicious URLs to deceive users.

Affected Systems and Versions

Integrated Dell Remote Access Controller (iDRAC) versions less than 2.80.80.80 (iDRAC8) and 5.00.00.00 (iDRAC9) are affected.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting text through malicious URLs to craft false yet convincing messages.

Mitigation and Prevention

To safeguard against CVE-2021-21580, follow these security measures:

Immediate Steps to Take

Update iDRAC8 to version 2.80.80.80 or later
Update iDRAC9 to version 5.00.00.00 or later

Long-Term Security Practices

Regularly monitor for security updates from Dell
Educate users on identifying phishing attempts

Patching and Updates

Ensure timely patching of iDRAC8 and iDRAC9 to the latest versions to mitigate the risk of Content Spoofing/Text Injection attacks.