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Microsoft Security Response CenterCVE-2021-34474

Microsoft Dynamics 365 Business Central Remote Code Execution Vulnerability

According to the CVSS metric, a successful exploitation could lead to a scope change (S:C). Can the exploit move from Dynamics Business Central to the underlying operating system? An attacker who successfully exploited this vulnerability could use it to pivot from the machine to the rest of the network.

Read the vendor bulletin Get alerts for Microsoft Dynamics 365 Business Central 2020 Release Wave 1 - Update
8.0CVSS out of 10Critical severity
Scope

What the vendor says is affected

  • Microsoft Dynamics 365 Business Central 2020 Release Wave 1 - Update 16.14
  • Microsoft Dynamics 365 Business Central 2020 Release Wave 2 - Update 17.8
  • Microsoft Dynamics 365 Business Central 2021 Release Wave 1 - Update 18.3

Versions the vendor lists as fixed

  • 16.0.27253
  • 17.0.27235
  • 18.0.27469
Next step

What the vendor recommends

Install KB5004717. Install KB5004716. Install KB5004715.

Review the complete instructions on the vendor's site
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.

  4. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2021-34474View CVSS, KEV, EPSS, and threat context
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