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Vulnerability DatabaseCVE-2023-23398
CVE-2023-23398:
vulnerability analysis and mitigation
Overview
Microsoft Excel Spoofing Vulnerability (CVE-2023-23398) was identified and disclosed in March 2023. The vulnerability affects multiple versions of Microsoft Excel and Microsoft Office products, including Excel 2013 SP1, Excel 2016, Office 2019, and Office 2021 LTSC (NVD).
Technical details
The vulnerability has been assigned a CVSS v3.1 base score of 7.1 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N, indicating local access is required and user interaction is needed. The vulnerability is classified under CWE-290 (Authentication Bypass by Spoofing) (NVD).
Impact
The vulnerability could allow an attacker to bypass authentication mechanisms through spoofing, potentially leading to unauthorized access with high impacts on confidentiality and integrity, while availability remains unaffected (NVD).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. Users are advised to apply the security update KB5002351 for affected versions of Excel and Office products (Microsoft Support).
Additional resources
Source: This report was generated using AI
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