Dynamics Business Central Control
CVE-2021-40440 — Microsoft Dynamics Business Central Cross-site Scripting Vulnerability
Executive Summary
None
Overview
5.4
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
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
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
Required
SCOPE
Changed
CONFIDENTIALITY
Low
INTEGRITY
Low
AVAILABILITY
None
EXPLOIT CODE MATURITY
Proof-of-Concept
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 4.9
EPSS Score
0.0093
probability of exploitation in the next 30 days
0.55916 percentile - updated 2026-06-21
View on FIRST.org
Affected Products
2 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft Dynamics 365 Business Central 2020 Release Wave 2 – Update 17.10 | 5006075 (Security Update) |
Important | Spoofing | Maybe |
| Microsoft Dynamics 365 Business Central 2021 Release Wave 1 - Update 18.5 | 5006076 (Security Update) |
Important | Spoofing | Maybe |
Patches
2 patches
| Article | Type | Restart |
|---|---|---|
5006075 |
Security Update | Maybe |
5006076 |
Security Update | Maybe |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
References
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