CVE-2021-31209

Published: May 11, 2021

Modified: Feb 28, 2025

PUBLISHED

CVSS v3.1

6.5

MEDIUM

Microsoft Exchange Server Spoofing Vulnerability

Vendor	Product	Versions
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 9	affected `15.02.0 - < 15.02.0858.012`
Microsoft	Microsoft Exchange Server 2016 Cumulative Update 20	affected `15.01.0 - < 15.01.2242.010`
Microsoft	Microsoft Exchange Server 2013 Cumulative Update 23	affected `15.00.0 - < 15.00.1497.018`
Microsoft	Microsoft Exchange Server 2016 Cumulative Update 19	affected `15.01.0 - < 15.01.2176.014`
Microsoft	Microsoft Exchange Server 2019 Cumulative Update 8	affected `15.02.0 - < 15.02.0792.015`

CVSS v3.1 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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

x_refsource_MISC

x_refsource_MISC

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