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Vulnerability DatabaseCVE-2021-43896
CVE-2021-43896:
PowerShell vulnerability analysis and mitigation
Overview
Microsoft PowerShell Spoofing Vulnerability (CVE-2021-43896) was disclosed in December 2021. This vulnerability affects PowerShell versions prior to 7.2.1, including versions from 7.0 to 7.2.0 (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:N/I:H/A:N, indicating local access is required and user interaction is needed. The CVSS v2.0 Base Score is 4.3 with vector (AV:N/AC:M/Au:N/C:N/I:P/A:N) (NVD).
Impact
Successful exploitation of this vulnerability could lead to disclosure of sensitive information. The vulnerability affects the integrity of the system, though it does not impact system availability or confidentiality directly (Qualys).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. Users are advised to upgrade to PowerShell version 7.2.1 or later to mitigate the risk (NVD).
Additional resources
Source: This report was generated using AI
Related PowerShell vulnerabilities:
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