CVE-2021-31209 MEDIUM

CVE-2021-31209: Microsoft Exchange Server Spoofing Vulnerability

Vendor Microsoft
Product Microsoft Exchange Server 2019 Cumulative Update 9
Published May 11, 2021
Last update February 28, 2025

CVSS base score

6.5/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N/E:U/RL:O/RC:C

What the vulnerability does

01Description

Microsoft Exchange Server Spoofing Vulnerability

Key dates

02Disclosure timeline

May 11, 2021 CVE published
February 28, 2025 Record updated