CVE-2021-43228
High
Published: 15 December 2021
Published
15 December 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.1306
94.3th percentile
Risk Priority
23
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-43228 is a high-severity an unspecified weakness vulnerability in Microsoft Windows 10. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 5.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-30172
Vulnerability details
SymCrypt Denial of Service Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
microsoft
windows 10
1909, 2004, 20h2, 21h1, 21h2
microsoft
windows 11
all versions
microsoft
windows server
2022, 20h2
microsoft
windows server 2016
2004
microsoft
windows server 2019
all versions
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.