CVE-2021-31196β€”Microsoft Exchange Server Information Disclosure Vulnerability

PUBLISHEDvulnerability record
2024-08-21 Β· last modified June 21, 2025

Metadata

CVE ID:
CVE-2021-31196
Project:
Microsoft
Product:
Exchange Server
Date Added:
2024-08-21
Due Date:
2024-09-11
Last Updated:
June 21, 2025

Vulnerability Name

Microsoft Exchange Server Information Disclosure Vulnerability

Description

Microsoft Exchange Server contains an information disclosure vulnerability that allows for remote code execution.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:
Unknown

Action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Additional Notes

  • https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-31196
  • https://nvd.nist.gov/vuln/detail/CVE-2021-31196

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