Mitigation Instructions for Microsoft-IIS 7.0 Unsupported Web Server Detection

SUBJECT: Microsoft-IIS/7.0 Unsupported Web Server Detection

TECH STACK: Microsoft Internet Information Services (IIS) version 7.0

CRITICALITY: HIGH

OVERVIEW:

Microsoft-IIS/7.0 is an outdated version of Microsoft's web server software. Microsoft has ended support for IIS 7.0, meaning it no longer receives security updates, patches, or technical support. This lack of updates leaves servers running IIS 7.0 vulnerable to security risks, including known exploits, vulnerabilities, and compatibility issues with modern web applications and standards.

THREAT INTELLIGENCE:

Unsupported software is a prime target for attackers because it no longer receives security updates, making it vulnerable to known exploits. Attackers can leverage these unpatched vulnerabilities to compromise the server, leading to data breaches, unauthorized access, and other security incidents.

SOLUTION:

Steps to Mitigate:

1. Upgrade to a Supported Version of IIS:

   • Identify Current Version: Verify the current version of IIS running on your servers. You can check this by running the following command in the command prompt:
     cmd

     Copy code

     iisreset /status

   • Backup Configurations: Before upgrading, ensure you back up your current server configurations and data.
   • Upgrade to the Latest Version: Upgrade to the latest version of IIS, which at the time of writing is IIS 10. This version is included with Windows Server 2016 and later.
     • For detailed steps on upgrading, refer to the Microsoft IIS Upgrade Documentation.

2. Migrate to a New Server (if necessary):

   • If the current server's operating system is also outdated, consider migrating to a new server with a supported version of Windows Server and IIS.
   • Follow best practices for server migration to ensure minimal downtime and data integrity. Microsoft provides guidance on migrating IIS.

3. Security Hardening:

   • After upgrading, ensure that your IIS server is securely configured. Follow the IIS Security Best Practices.
   • Regularly update your server with the latest patches and security updates from Microsoft.

4. Monitoring and Maintenance:

   • Implement continuous monitoring to detect any suspicious activities or vulnerabilities. Tools like Microsoft Defender for Endpoint can provide comprehensive security monitoring.
   • Regularly review and update your server's security configurations to adapt to new threats.

REFERENCES:

• Microsoft IIS 7.0 End of Support
• Upgrade to IIS 10
• IIS Security Best Practices