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High8.8Microsoft Server

CVE-2023-21706: Microsoft Exchange Server Remote Code Execution Vulnerability

This Microsoft advisory covers CVE-2023-21706 in Microsoft Exchange Server 2013 Cumulative Update 23, Microsoft Exchange Server 2016 Cumulative Update 23 and Microsoft Exchange Server 2019 Cumulative Update 11.

Open the Microsoft advisory

Key facts

Vendor rating
High, CVSS 8.8
CISA KEV
Not listed (catalogue checked )
Affected
Microsoft Exchange Server 2013 Cumulative Update 23 15.00.0 before 15.00.1497.047; Microsoft Exchange Server 2016 Cumulative Update 23 15.01.0 before 15.01.2507.021; Microsoft Exchange Server 2019 Cumulative Update 11 15.02.0 before 15.02.0986.041 and 1 more below
Fixed in
15.00.1497.047, 15.01.2507.021, 15.02.0986.041 and 1 more below
Source published
Source revised
Listed by VulniPulse

Compiled by VulniPulse from the linked sources. How records are collected and checked.

Affected products & platforms

Microsoft ServerExchange Server

Description

Microsoft Exchange Server Remote Code Execution Vulnerability

Affected products named by the advisory: Microsoft Exchange Server 2013 Cumulative Update 23; Microsoft Exchange Server 2016 Cumulative Update 23; Microsoft Exchange Server 2019 Cumulative Update 11; Microsoft Exchange Server 2019 Cumulative Update 12.

Text from the source record.

Affected versions
  • Microsoft Exchange Server 2013 Cumulative Update 23 15.00.0 before 15.00.1497.047
  • Microsoft Exchange Server 2016 Cumulative Update 23 15.01.0 before 15.01.2507.021
  • Microsoft Exchange Server 2019 Cumulative Update 11 15.02.0 before 15.02.0986.041
  • Microsoft Exchange Server 2019 Cumulative Update 12 15.02.0 before 15.02.1118.025

Official advisory · high-confidence parse· fetched ·verify at source

How to fix CVE-2023-21706

Upgrade to a fixed release named by Microsoft:

  • 15.00.1497.047
  • 15.01.2507.021
  • 15.02.0986.041
  • 15.02.1118.025

End-of-life dates for Microsoft Exchange Server

Microsoft Server advisories, February 2023All Microsoft Server advisories

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