CVE record · CVE-2021-36946

Microsoft Dynamics Business Central Cross-site Scripting Vulnerability

CVSS 5.4 MediumEPSS 0.010 · 63rd percentile

Published by the CVE Program (CNA: microsoft) at 12 Aug 2021, 18:12 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Microsoft	Dynamics 365 Business Central Spring 2019 Update	affected 14.0.0 to before 14.0.47540 custom
Microsoft	Microsoft Dynamics 365 Business Central 2020 Release Wave 1 - Update 16.15	affected 16.0 to before 16.0.28457 custom
Microsoft	Microsoft Dynamics 365 Business Central 2020 Release Wave 2 - Update 17.9	affected 17.0 to before 17.0.28458 custom
Microsoft	Microsoft Dynamics NAV 2017	affected 1.0 to before 30601 custom
Microsoft	Microsoft Dynamics NAV 2018	affected 1.0 to before 47562 custom

Identifiers: CVE-2021-36946
CNA: microsoft
Tags: Microsoft Dynamics 365 Business Central Spring 2019 Update
Microsoft Dynamics 365 Business Central 2020 Release Wave 1 - Update 16.15
Microsoft Dynamics 365 Business Central 2020 Release Wave 2 - Update 17.9
Microsoft Dynamics NAV 2017
Microsoft Dynamics NAV 2018
Published: 12 Aug 2021
Updated: 10 Aug 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.4	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C	CNA (microsoft)

CISA KEV Not listed.
EPSS 0.010, the 63rd percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 12 Aug 2021. New records show when each source confirmed them.

Sources

References from the CNA

msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36946 vendor-advisorypatch

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.