CVE-2021-43215: iSNS Server Memory Corruption Vulnerability Can Lead to Remote Code Execution

Published Dec 15, 2021
·
Updated

iSNS Server Memory Corruption Vulnerability Can Lead to Remote Code Execution

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-2021-43215

Event History

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

1

What is CVE-2021-43215?

CVE-2021-43215 is a vulnerability in the iSNS Server that can lead to remote code execution.

2

How does CVE-2021-43215 affect Microsoft Windows 10?

CVE-2021-43215 affects all versions of Microsoft Windows 10.

3

What is the severity of CVE-2021-43215?

CVE-2021-43215 has a severity rating of critical.

4

How can I fix CVE-2021-43215?

To fix CVE-2021-43215, install the relevant security updates provided by Microsoft.

5

Where can I find more information about CVE-2021-43215?

More information about CVE-2021-43215 can be found on the Microsoft Security Guidance website.

Company

Resources

Contact

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