CVE-2021-43228
published 2021-12-15CVE-2021-43228: SymCrypt Denial of Service Vulnerability SymCrypt Denial of Service Vulnerability
high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
3.66%
88.4th percentile
SymCrypt Denial of Service Vulnerability
SymCrypt Denial of Service Vulnerability
Affected
22 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10_version_1809 | >= 10.0.0 < 10.0.17763.2366 | 10.0.17763.2366 |
| microsoft | windows_10_version_1909 | >= 10.0.0 < 10.0.18363.1977 | 10.0.18363.1977 |
| microsoft | windows_10_version_2004 | >= 10.0.0 < 10.0.19041.1415 | 10.0.19041.1415 |
| microsoft | windows_10_version_20h2 | >= 10.0.0 < 10.0.19042.1415 | 10.0.19042.1415 |
| microsoft | windows_10_version_21h1 | >= 10.0.0 < 10.0.19043.1415 | 10.0.19043.1415 |
| microsoft | windows_10_version_21h2 | >= 10.0.0 < 10.0.19044.1415 | 10.0.19044.1415 |
| microsoft | windows_11_version_21h2 | >= 10.0.0 < 10.0.22000.376 | 10.0.22000.376 |
| microsoft | windows_server_2019 | >= 10.0.0 < 10.0.17763.2366 | 10.0.17763.2366 |
| microsoft | windows_server_2022 | >= 10.0.0 < 10.0.20348.405 | 10.0.20348.405 |
| microsoft | windows_server_version_2004 | >= 10.0.0 < 10.0.19041.1415 | 10.0.19041.1415 |
| microsoft | windows_server_version_20h2 | >= 10.0.0 < 10.0.19042.1415 | 10.0.19042.1415 |
| msrc | windows_10_version_1809 | — | — |
| msrc | windows_10_version_1909 | — | — |
| msrc | windows_10_version_2004 | — | — |
| msrc | windows_10_version_20h2 | — | — |
| msrc | windows_10_version_21h1 | — | — |
| msrc | windows_10_version_21h2 | — | — |
| msrc | windows_11_version_21h2 | — | — |
| msrc | windows_server_2019 | — | — |
| msrc | windows_server_2022 | — | — |
| msrc | windows_server_version_2004 | — | — |
| msrc | windows_server_version_20h2 | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.07.8HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
cvelistv57.5HIGH
vendor_msrc7.5HIGH
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CVEList
SymCrypt Denial of Service Vulnerability
cvelistv5·2021-12-15·CVSS 7.5
CVE-2021-43228 [HIGH] SymCrypt Denial of Service Vulnerability
SymCrypt Denial of Service Vulnerability
SymCrypt Denial of Service Vulnerability
Microsoft
SymCrypt Denial of Service Vulnerability
vendor_msrc·2021-12-14·CVSS 7.5
CVE-2021-43228 [HIGH] SymCrypt Denial of Service Vulnerability
SymCrypt Denial of Service Vulnerability
Windows SymCrypt: Windows SymCrypt
Microsoft: Microsoft
Impact: Denial of Service
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely;Older Software Release:Exploitation Less Likely;DOS:N/A
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5008218
Reference: https://support.microsoft.com/help/5008218
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5008206
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5008212
Reference: https://support.microsoft.com/help/5008212
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5008223
Reference: https://support.microsoft.com/help/5008223
Reference: https://catalog.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-12-15
Published