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Vulnerability DatabaseCVE-2021-42295
CVE-2021-42295:
vulnerability analysis and mitigation
Overview
Visual Basic for Applications (VBA) Information Disclosure Vulnerability (CVE-2021-42295) was identified and disclosed in December 2021. This security flaw affects multiple Microsoft Office products including Office 2013, Office 2016, Office 2019, and Microsoft 365 Apps Enterprise editions for both x86 and x64 architectures (NVD).
Technical details
The vulnerability has been assigned a CVSS v3.1 base score of 5.5 (Medium) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N. This indicates that the vulnerability requires local access and user interaction, but can result in high confidentiality impact without affecting integrity or availability (NVD).
Impact
This vulnerability could allow an attacker to access sensitive information when successfully exploited. The attack specifically targets the Visual Basic for Applications component and could lead to unauthorized information disclosure (CVE).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. The fixes are available through Microsoft Update and can be obtained via the Microsoft Update Catalog. For Office 2016, the security update KB4504710 has been released to address this vulnerability (Microsoft Support).
Additional resources
Source: This report was generated using AI
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