CVE-2021-43216: Microsoft Local Security Authority (LSA) Server Information Disclosure Vulnerability

Published Dec 15, 2021
·
Updated

Microsoft Local Security Authority (LSA) Server Information Disclosure Vulnerability

Other sources

Microsoft Local Security Authority Server (lsasrv) Information Disclosure Vulnerability

Affected Software

36 affected components
Microsoft Windows 10
Microsoft Windows 10
Microsoft Windows 10=20h2
Microsoft Windows 10=20h2
Microsoft Windows 10=20h2
Microsoft Windows 10=21h1
Microsoft Windows 10=21h1
Microsoft Windows 10=21h1
Microsoft Windows 10=1607
Microsoft Windows 10=1607
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10=1909
Microsoft Windows 10=1909
Microsoft Windows 10=1909
Microsoft Windows 10=2004
Microsoft Windows 10=2004
Microsoft Windows 10=2004
Microsoft Windows 11
Microsoft Windows 11
Microsoft Windows 7=sp1
Microsoft Windows 7=sp1
Microsoft Windows 8.1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server=20h2
Microsoft Windows Server=2022
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2008=r2-sp2
Microsoft Windows Server 2008=r2-sp2
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2016=2004
Microsoft Windows Server 2019

Remediation

Patch Available

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43216

Event History

Dec 15, 2021
CVE Published
02:15 PM
Data Sourced
02:15 PM
DescriptionSeverity
Data Sourced
via NVD·03:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2021-43216?

CVE-2021-43216 has a severity rating of Important according to Microsoft.

2

How do I fix CVE-2021-43216?

To fix CVE-2021-43216, you should apply the latest security updates released by Microsoft.

3

What does CVE-2021-43216 affect?

CVE-2021-43216 affects various versions of Microsoft Windows, including Windows 10, Windows 11, and Windows Server.

4

Is CVE-2021-43216 an information disclosure vulnerability?

Yes, CVE-2021-43216 is classified as an information disclosure vulnerability.

5

Who is impacted by CVE-2021-43216?

Users of affected Microsoft Windows versions could be impacted by CVE-2021-43216 if they do not apply the necessary updates.

Company

Resources

Contact

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