CVE-2021-43228

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

SymCrypt Denial of Service Vulnerability

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected software

VendorProductVersions
MicrosoftWindows 10 Version 1809>= 10.0.0, < 10.0.17763.2366
MicrosoftWindows Server 2019>= 10.0.0, < 10.0.17763.2366
MicrosoftWindows Server 2019 (Server Core installation)>= 10.0.0, < 10.0.17763.2366
MicrosoftWindows 10 Version 1909>= 10.0.0, < 10.0.18363.1977
MicrosoftWindows 10 Version 21H1>= 10.0.0, < 10.0.19043.1415
MicrosoftWindows Server 2022>= 10.0.0, < 10.0.20348.405
MicrosoftWindows 10 Version 2004>= 10.0.0, < 10.0.19041.1415
MicrosoftWindows Server version 2004>= 10.0.0, < 10.0.19041.1415
MicrosoftWindows 10 Version 20H2>= 10.0.0, < 10.0.19042.1415
MicrosoftWindows Server version 20H2>= 10.0.0, < 10.0.19042.1415
MicrosoftWindows 11 version 21H2>= 10.0.0, < 10.0.22000.376
MicrosoftWindows 10 Version 21H2>= 10.0.0, < 10.0.19044.1415

References

Timeline

Published
Dec 15, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-43228: High severity, CVSS 7.5 | Vulnix