by Kastro
Paper/Archive/CVE-2021-43217

CVE-2021-43217

Microsoft Windows 10 Version 1809 — Windows Encrypting File System (EFS) Remote Code Execution Vulnerability

EPSS 7%CVSS 9.8
critical.is priorityof 100
48
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 93.8.938 × 2018.8No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Windows Encrypting File System (EFS) Remote Code Execution Vulnerability

Affected

ProductAffectedFixed inSource
Windows 10 Version 180910.0.0 – < 10.0.17763.236610.0.17763.2366CNA
Windows Server 201910.0.0 – < 10.0.17763.236610.0.17763.2366CNA
Windows Server 2019 (Server Core installation)10.0.0 – < 10.0.17763.236610.0.17763.2366CNA
Windows 10 Version 190910.0.0 – < 10.0.18363.197710.0.18363.1977CNA
Windows 10 Version 21H110.0.0 – < 10.0.19043.141510.0.19043.1415CNA
Windows Server 202210.0.0 – < 10.0.20348.40510.0.20348.405CNA
Windows 10 Version 200410.0.0 – < 10.0.19041.141510.0.19041.1415CNA
Windows Server version 200410.0.0 – < 10.0.19041.141510.0.19041.1415CNA
Windows 10 Version 20H210.0.0 – < 10.0.19042.141510.0.19042.1415CNA
Windows Server version 20H210.0.0 – < 10.0.19042.141510.0.19042.1415CNA
Windows 11 version 21H210.0.0 – < 10.0.22000.37610.0.22000.376CNA
Windows 10 Version 21H210.0.0 – < 10.0.19044.141510.0.19044.1415CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
microsoft (CNA)8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refportal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43217