Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2023-21710

7.2HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Exchange Server 2016 Cumulative Update 23
Microsoft Exchange Server 2019 Cumulative Update 11
Microsoft Exchange Server 2019 Cumulative Update 12
Vendor
CVE Published:
14 February 2023

What is CVE-2023-21710?

A vulnerability exists in Microsoft Exchange Server that allows an attacker to execute arbitrary code on the server remotely. By exploiting this vulnerability, an unauthorized user could take control of the system, potentially leading to data breaches, unauthorized access, and other malicious activities. It is critical for organizations using affected versions of Microsoft Exchange Server to apply the necessary patches and updates to mitigate this security risk.

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Affected Version(s)

Microsoft Exchange Server 2016 Cumulative Update 23 x64-based Systems 15.01.0 < 15.01.2507.021

Microsoft Exchange Server 2019 Cumulative Update 11 x64-based Systems 15.02.0 < 15.02.0986.041

Microsoft Exchange Server 2019 Cumulative Update 12 x64-based Systems 15.02.0 < 15.02.1118.025

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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