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Vulnerability DatabaseCVE-2021-33782
CVE-2021-33782:
vulnerability analysis and mitigation
Overview
CVE-2021-33782 is a Windows Authenticode Spoofing Vulnerability that was discovered and reported in 2021. The vulnerability was first recorded on May 28, 2021, and affects various versions of Microsoft Windows operating systems (MITRE, Rapid7).
Technical details
The vulnerability has been assigned a CVSS score of 4.0, indicating a moderate severity level. The attack vector is network-based (AV:N) with medium attack complexity (AC:M), requiring no authentication (Au:N), and potentially impacting system integrity (I:P) without affecting confidentiality or availability (C:N/A:N) (Rapid7).
Impact
This vulnerability could allow an attacker to conduct spoofing attacks targeting Windows Authenticode, potentially compromising the integrity of system authentication processes (Rapid7).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability across multiple Windows versions including Windows 10 (versions 1507, 1607, 1809, 1909, 2004, 20H2, and 21H1), Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, and Windows Server 2019. These updates are available through various KB articles including KB5004237, KB5004238, KB5004244, KB5004245, and KB5004249 (Rapid7).
Additional resources
Source: This report was generated using AI
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