VYPR
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High severity7.5NVD Advisory· Published Dec 15, 2021· Updated Jun 17, 2026

CVE-2021-43228

CVE-2021-43228

Description

SymCrypt Denial of Service Vulnerability

Affected products

31
  • Microsoft/Windows 10 190916 versions
    cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:arm64:*+ 15 more
    • cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:arm64:*
    • cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x86:*
    • cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:arm64:*
    • cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x86:*
    • cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:arm64:*
    • cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x86:*
    • cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:arm64:*
    • cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x86:*
    • cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:arm64:*
    • cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:x86:*
    • cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1977:*:*:*:*:*:x86:*range: 10.0.0
  • Microsoft/Windows 10 1809v52 versions
    cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.2366:*:*:*:*:*:x86:*+ 1 more
    • cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.2366:*:*:*:*:*:x86:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.1415:*:*:*:*:*:x64:*range: 10.0.0
  • Microsoft/Windows 10 1607v52 versions
    cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1415:*:*:*:*:*:x86:*+ 1 more
    • cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1415:*:*:*:*:*:x86:*range: 10.0.0
    • cpe:2.3:o:microsoft:windows_10_21H2:10.0.19044.1415:*:*:*:*:*:x86:*range: 10.0.0
  • Microsoft/Windows 10 21h1v5
    cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1415:*:*:*:*:*:x64:*
    Range: 10.0.0
  • Microsoft/Windows 11 21h23 versions
    cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:*+ 2 more
    • cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:*
    • cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:*
    • cpe:2.3:o:microsoft:windows_11_21H2:10.0.22000.376:*:*:*:*:*:x64:*range: 10.0.0
  • Microsoft/Windows Server 20033 versions
    cpe:2.3:o:microsoft:windows_server:2022:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:microsoft:windows_server:2022:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server:20h2:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.405:*:*:*:*:*:*:*range: 10.0.0
  • Microsoft/Windows Server 2016
    cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
  • Microsoft/Windows Server 20192 versions
    cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2366:*:*:*:*:*:*:*range: 10.0.0
  • Microsoft/Symcryptllm-fuzzy

Patches

Vulnerability mechanics

References

1

News mentions

0

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