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Fencer Vulns
medium 5.4

CVE-2021-36946 json

Microsoft Dynamics Business Central Cross-site Scripting Vulnerability

published 2021-08-12 5 y ago modified 2026-08-10 2 mo ago also EUVD-2021-23522

cvss
5.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

Microsoft Dynamics Business Central Cross-site Scripting Vulnerability

Patch / fix

  • Microsoft Dynamics 365 Business Central Spring 2019 Update 14.0.47540
  • Microsoft Microsoft Dynamics 365 Business Central 2020 Release Wave 1 - Update 16.15 16.0.28457
  • Microsoft Microsoft Dynamics 365 Business Central 2020 Release Wave 2 - Update 17.9 17.0.28458
  • Microsoft Microsoft Dynamics NAV 2017 30601
  • Microsoft Microsoft Dynamics NAV 2018 47562

Exploit prediction

1.03% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.4 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 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Affected products

  • Microsoft Dynamics 365 Business Central Spring 2019 Update
  • Microsoft Microsoft Dynamics 365 Business Central 2020 Release Wave 1 - Update 16.15
  • Microsoft Microsoft Dynamics 365 Business Central 2020 Release Wave 2 - Update 17.9
  • Microsoft Microsoft Dynamics NAV 2017
  • Microsoft Microsoft Dynamics NAV 2018

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.