Security Updates for Microsoft Dynamics 365 Business Central (July 2021)

high Nessus Plugin ID 151603
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.


The Microsoft Dynamics 365 Business Central install is missing a security update.


The Microsoft Dynamics 365 Business Central install is missing a security update. It is, therefore, affected by a Remote Code Execution vulnerability. An authenticated attacker can exploit this, to execute arbitrary commands.

Note that Nessus has not attempted to exploit this issue but has instead relied only on the application's self-reported version number.


Update Microsoft Dynamics 365 Business Central to 16.14 for 2020 Release Wave 1, 17.8 for 2020 Release Wave 2, 18.3 for 2021 Release Wave 1, or later.

See Also

Plugin Details

Severity: High

ID: 151603

File Name: smb_nt_ms21_jul_microsoft_dynamics_365_bc.nasl

Version: 1.4

Type: local

Agent: windows

Published: 7/13/2021

Updated: 7/26/2021

Dependencies: microsoft_dynamics_365_business_central_server_win_installed.nbin

Risk Information

CVSS Score Source: CVE-2021-34474


Risk Factor: Medium

Score: 5.9


Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

Temporal Vector: CVSS2#E:U/RL:OF/RC:C


Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:2.3:a:microsoft:dynamics_365:*:*:*:*:*:*:*:*

Required KB Items: installed_sw/Microsoft Dynamics 365 Business Central Server

Exploit Ease: No known exploits are available

Patch Publication Date: 7/13/2021

Vulnerability Publication Date: 7/13/2021

Reference Information

CVE: CVE-2021-34474

MSKB: 5004715, 5004716, 5004717

MSFT: MS21-5004715, MS21-5004716, MS21-5004717

IAVA: 2021-A-0313