CVE-2021-42321 Exchange Detection

Summary

This script detects whether the Exchange server has been impacted by CVE-2021-42321. If the vulnerability is detected, the script will generate a ticket.

Sample Run

Global Parameters

Name	Example	Required	Description
TicketCreation	1	True	1 -- Will create a ticket if found vulnerable; 0 -- Will not create any ticket

Process

This script checks for the event generated for the CVE impact as per the article:
Released November 2021 Exchange Server Security Updates

Please install the November 9, 2021, Exchange Security patches for mitigation of this vulnerability.

Output

• Script log
• Ticket

Changelog

2025-04-10

• Initial version of the document