PT-2021-3915 · Microsoft · Dynamics Nav+2

Rskvp93 · CVE-2021-36946 · Published 2021-08-10 · Updated 2023-12-28

Positive Technologies (AI Summary)

CVSS v2.0

5.8

Medium

Base vector

AV:N/AC:M/Au:N/C:P/I:P/A:N

Name of the Vulnerable Software and Affected Versions Microsoft Dynamics Business Central (affected versions not specified) Microsoft Dynamics NAV (affected versions not specified)

Description The issue is related to a lack of protection for the web page structure in Microsoft Dynamics 365 Business Central and Microsoft Dynamics NAV, allowing for cross-site scripting attacks. An attacker could exploit this by using a specially crafted malicious link to conduct remote cross-site scripting attacks.

Recommendations For Microsoft Dynamics Business Central, update to a version that includes fixes for cross-site scripting vulnerabilities. For Microsoft Dynamics NAV, apply configuration changes to protect against cross-site scripting attacks, such as validating user input and encoding output. As a temporary workaround, consider restricting access to sensitive areas of the application to minimize the risk of exploitation.

Fix

Spoofing

XSS

Weakness Enumeration

CWE-79

Related Identifiers

BDU:2021-04432

CVE-2021-36946

Affected Products

Dynamics 365 Business Central

Dynamics Business Central

Dynamics Nav

References · 7

• https://osv.dev/vulnerability/CVE-2021-36946 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-36946 · Security Note
• https://bdu.fstec.ru/vul/2021-04432 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36946 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36946 · Vendor Advisory
• https://t.me/cibsecurity/27259 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021081039 · Note