CVE-2021-43217: Windows Encrypting File System (EFS) Remote Code Execution Vulnerability
Published Dec 15, 2021
·Updated
Windows Encrypting File System (EFS) Remote Code Execution Vulnerability
Affected Software
20 affected components
Microsoft Windows 10
Microsoft Windows 10=20h2
Microsoft Windows 10=21h1
Microsoft Windows 10=1607
Microsoft Windows 10=1809
Microsoft Windows 10=1909
Microsoft Windows 10=2004
Microsoft Windows 11
Microsoft Windows 7=sp1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server=20h2
Microsoft Windows Server=2022
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2016=2004
Microsoft Windows Server 2019
Remediation
Event History
Dec 15, 2021
CVE Published
via MITRE·02:15 PM
Data Sourced
via MITRE·02:15 PM
DescriptionSeverity
Data Sourced
via NVD·03:15 PM
RemedyDescriptionSeverityAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2021-43217?
CVE-2021-43217 has a CVSS score that indicates a critical vulnerability severity level due to its potential for remote code execution.
2
How do I fix CVE-2021-43217?
To fix CVE-2021-43217, users should apply the latest security updates provided by Microsoft for the affected Windows versions.
3
Which versions of Windows are affected by CVE-2021-43217?
CVE-2021-43217 affects multiple versions of Windows including Windows 7, 8.1, 10, 11, and various editions of Windows Server.
4
What type of vulnerability is CVE-2021-43217?
CVE-2021-43217 is classified as a Remote Code Execution vulnerability involving Windows Encrypting File System (EFS).
5
Can CVE-2021-43217 be exploited remotely?
Yes, CVE-2021-43217 can be exploited remotely, allowing an attacker to execute arbitrary code on the affected system.