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    CVE-2021-40440

    Microsoft Dynamics Business Central Cross-site Scripting Vulnerability

    Published:Sep 15, 2021
    Last Modified:Aug 10, 2026
    EPS:Sep 15, 2021
    EPSS Score:0.00983
    CVSS Score:5.4

    Affected Products

    Vendor
    Microsoft
    Product
    Dynamics 365 Business Central
    Vendor
    Microsoft
    Product
    Dynamics 365 Business Central 2020
    Vendor
    Microsoft
    Product
    Dynamics 365 Business Central 2021

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-40417 (CVSS 7.8) — Weak authentication in Dynamics Business Central allows an authorized attacker to elevate privileges locally.…
    CVE-2024-43460 (CVSS 8.1) — Improper authorization in Dynamics 365 Business Central resulted in a vulnerability that allows an authenticat…
    CVE-2024-38225 (CVSS 8.8) — Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerability…
    CVE-2024-35249 (CVSS 8.8) — Microsoft Dynamics 365 Business Central Remote Code Execution Vulnerability…
    CVE-2024-35248 (CVSS 7.3) — Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerability…
    CVE-2024-21380 (CVSS 8) — Microsoft Dynamics Business Central/NAV Information Disclosure Vulnerability…
    CVE-2023-38167 (CVSS 7.2) — Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerability…
    CVE-2022-41127 (CVSS 8.5) — Microsoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Code Execution Vulnera…
    CVE-2021-36946 (CVSS 5.4) — Microsoft Dynamics Business Central Cross-site Scripting Vulnerability…
    CVE-2021-34474 (CVSS 8) — Microsoft Dynamics 365 Business Central Remote Code Execution Vulnerability…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High