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Vulnerability DatabaseCVE-2021-33743
CVE-2021-33743:
vulnerability analysis and mitigation
Overview
CVE-2021-33743 is a Windows Projected File System Elevation of Privilege Vulnerability that was discovered and reported in 2021. The vulnerability was first recorded on May 28, 2021, and Microsoft released security updates to address this issue in July 2021 (MITRE).
Technical details
The vulnerability has been assigned a CVSS score of 5.0, indicating a medium severity level. The attack vector is local (AV:L), with low attack complexity (AC:L), requiring no authentication (Au:N), and potentially impacting confidentiality, integrity, and availability partially (C:P/I:P/A:P) (Rapid7).
Impact
This vulnerability could allow an attacker to gain elevated privileges on affected Windows systems. The successful exploitation could lead to unauthorized access and potential system compromise with elevated rights (MITRE).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. The fixes are available through various KB updates including KB5004244 for Windows 10 version 1809 and Windows Server 2019, KB5004245 for version 1909, and KB5004237 for versions 2004, 20H2, and 21H1 (Rapid7).
Additional resources
Source: This report was generated using AI
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