Security Updates for Microsoft Dynamics 365 (on-premises) (August 2021)

high Nessus Plugin ID 152525


The Microsoft Dynamics 365 (on-premises) is affected by an cross-site scripting vulnerability.


The Microsoft Dynamics 365 (on-premises) installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities:

- Remote Code Execution Vulnerability (CVE-2021-34524)

- Cross-site Scripting Vulnerabilities (CVE-2021-36946, CVE-2021-36950)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.


Microsoft has released the following security updates to address this issue:

See Also

Plugin Details

Severity: High

ID: 152525

File Name: smb_nt_ms21_aug_microsoft_dynamics.nasl

Version: 1.5

Type: local

Agent: windows

Published: 8/12/2021

Updated: 8/19/2021

Supported Sensors: Frictionless Assessment Agent

Risk Information


Risk Factor: Medium

Score: 6.7


Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

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

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

CVSS Score Source: CVE-2021-34524


Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: cpe:/a:microsoft:dynamics_365

Required KB Items: installed_sw/Microsoft Dynamics 365 Server

Exploit Ease: No known exploits are available

Patch Publication Date: 8/10/2021

Vulnerability Publication Date: 8/10/2021

Reference Information

CVE: CVE-2021-34524, CVE-2021-36946, CVE-2021-36950

MSKB: 4618809, 4618795, 5005239

MSFT: MS21-4618809, MS21-4618795, MS21-5005239

IAVA: 2021-A-0375