CVE-2020-17147
vulnerability analysis and mitigation

Overview

CVE-2020-17147 is a Cross-site Scripting (XSS) vulnerability affecting Microsoft Dynamics CRM Webclient. The vulnerability was disclosed in December 2020 and affects Microsoft Dynamics 365 (on-premises) versions 8.2 and 9.0 (NIST NVD).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 8.7 HIGH by Microsoft, with a vector string of CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N. This indicates that the vulnerability requires low attack complexity, requires low privileges, and user interaction for exploitation. The vulnerability allows for high impacts on both confidentiality and integrity, but no impact on availability (NIST NVD).

Impact

The vulnerability could allow an attacker to conduct cross-site scripting attacks against users of the Dynamics CRM Webclient. Successful exploitation could lead to unauthorized disclosure of information and unauthorized modification of data (Qualys Research).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability. Organizations running affected versions of Microsoft Dynamics 365 (on-premises) should apply the available security updates (MSRC Advisory).

Additional resources


SourceThis report was generated using AI

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