CVE-2021-43228 — HIGH (7.5)

Vulnerability Description

SymCrypt Denial of Service Vulnerability

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Microsoft	Windows 10	20h2
Microsoft	Windows 11	-
Microsoft	Windows Server	20h2
Microsoft	Windows Server 2016	2004
Microsoft	Windows Server 2019	-

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4322PatchVendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4322PatchVendor Advisory

FAQ

What is CVE-2021-43228?

CVE-2021-43228 is a vulnerability with a CVSS score of 7.5 (HIGH). SymCrypt Denial of Service Vulnerability

How severe is CVE-2021-43228?

CVE-2021-43228 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-43228?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10, Microsoft Windows 11, Microsoft Windows Server, Microsoft Windows Server 2016, Microsoft Windows Server 2019.