CVE-2021-43228

HIGH

Windows 10 and Windows 11 - Denial of Service in SymCrypt

Title source: llm
STIX 2.1

Description

SymCrypt Denial of Service Vulnerability

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0366
EPSS Percentile 88.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (10)
microsoft/windows_10 20h2 (3 CPE variants)
microsoft/windows_10 21h1 (3 CPE variants)
microsoft/windows_10 21h2 (3 CPE variants)
microsoft/windows_10 1909 (3 CPE variants)
microsoft/windows_10 2004 (3 CPE variants)
microsoft/windows_11 (2 CPE variants)
microsoft/windows_server 20h2
microsoft/windows_server 2022
microsoft/windows_server_2016 2004
microsoft/windows_server_2019
Published Dec 15, 2021
Tracked Since Feb 18, 2026