Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2021-38666
CVE-2021-38666:
vulnerability analysis and mitigation
Overview
CVE-2021-38666 is a Remote Desktop Client Remote Code Execution Vulnerability that was disclosed on November 9, 2021. The vulnerability affects Microsoft Windows systems, including Windows 10 (versions 1507 through 21H1), Windows 11, and Windows Server versions 2008 through 2022 (NVD, CVE).
Technical details
The vulnerability has been assigned a CVSS v3.1 base score of 8.8 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. This indicates that the vulnerability can be exploited remotely, requires low attack complexity, needs no privileges, but does require user interaction (NVD).
Impact
If successfully exploited, this vulnerability could allow an attacker to execute remote code on the affected system, potentially gaining the same rights as the logged-in user. The vulnerability affects the Windows Remote Desktop Protocol (RDP) client, which is a critical component for remote system administration (Krebs).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. The fixes are available through various KB updates including KB5007186, KB5007189, KB5007192, KB5007206, and others depending on the Windows version. It is recommended to apply these security updates as soon as possible (Rapid7).
Additional resources
Source: This report was generated using AI
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