Remote Code Execution Vulnerability Affects Microsoft Exchange Server
CVE-2023-21529

8.8HIGH

Key Information:

Vendor
Microsoft
Status
Microsoft Exchange Server 2019 Cumulative Update 12
Microsoft Exchange Server 2019 Cumulative Update 11
Microsoft Exchange Server 2013 Cumulative Update 23
Microsoft Exchange Server 2016 Cumulative Update 23
Vendor
CVE Published:
14 February 2023

Badges

👾 Exploit Exists

Summary

A vulnerability has been identified in Microsoft Exchange Server that allows for remote code execution. This security flaw could enable an attacker to execute arbitrary code on affected systems, potentially compromising data integrity and confidentiality. Organizations using Microsoft Exchange Server 2016 and 2019 are strongly encouraged to apply the latest security updates to mitigate this risk. Detailed information about the vulnerability and available patches can be found in the Microsoft advisory.

Affected Version(s)

Microsoft Exchange Server 2013 Cumulative Update 23 x64-based Systems 15.00.0 < 15.00.1497.047

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

References

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

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.