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Vulnerability DatabaseCVE-2021-40454
CVE-2021-40454:
vulnerability analysis and mitigation
Overview
CVE-2021-40454 is a Rich Text Edit Control Information Disclosure vulnerability affecting Microsoft Office products. The vulnerability was disclosed on September 2, 2021, and Microsoft released security updates to address it on October 12, 2021 (MITRE CVE, Microsoft Support).
Technical details
The vulnerability has been assigned a CVSS score of 2.0 (AV:L/AC:L/Au:N/C:P/I:N/A:N), indicating a low severity level. This vulnerability specifically affects the Rich Text Edit Control component in Microsoft Office (Rapid7).
Impact
This vulnerability could potentially lead to information disclosure if successfully exploited (MITRE CVE).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. For Office 2013 SP1 users, the update is available through Microsoft Update, Microsoft Update Catalog, and Microsoft Download Center. Users must have Service Pack 1 for Microsoft Office 2013 installed to apply the security update. The update is specifically for Microsoft Installer (.msi)-based editions and does not apply to Click-to-Run editions such as Microsoft Office 365 Home (Microsoft Support).
Additional resources
Source: This report was generated using AI
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