SMB Witness Service EoP Vulnerability (CVE-2023-21549)
CVE-2023-21549 Published on January 10, 2023

Windows SMB Witness Service Elevation of Privilege Vulnerability
Windows SMB Witness Service Elevation of Privilege Vulnerability

Vendor Advisory NVD

Weakness Type

What is an AuthZ Vulnerability?

The software does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

CVE-2023-21549 has been classified to as an AuthZ vulnerability or weakness.

Products Associated with CVE-2023-21549

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Microsoft Windows 7

Microsoft Windows Server 2012

Microsoft Windows Server 2016

Microsoft Windows Rt 8 1

Microsoft Windows 8.1

Microsoft Windows Server 2019

Microsoft Windows Server 2022

Microsoft Windows 10

Microsoft Windows 11

Affected Versions

Microsoft Windows 10 Version 1809:

Version 10.0.17763.0 and below 10.0.17763.3887 is affected.

Microsoft Windows 10 Version 1809:

Version 10.0.0 and below 10.0.17763.3887 is affected.

Microsoft Windows Server 2019:

Version 10.0.17763.0 and below 10.0.17763.3887 is affected.

Microsoft Windows Server 2019 (Server Core installation):

Version 10.0.17763.0 and below 10.0.17763.3887 is affected.

Microsoft Windows Server 2022:

Version 10.0.20348.0 and below 10.0.20348.1487 is affected.

Microsoft Windows 10 Version 20H2:

Version 10.0.0 and below 10.0.19042.2486 is affected.

Microsoft Windows 11 version 21H2:

Version 10.0.0 and below 10.0.22000.1455 is affected.

Microsoft Windows 10 Version 21H2:

Version 10.0.19043.0 and below 10.0.19044.2486 is affected.

Microsoft Windows 11 version 22H2:

Version 10.0.22621.0 and below 10.0.22621.1105 is affected.

Microsoft Windows 10 Version 22H2:

Version 10.0.19045.0 and below 10.0.19045.2486 is affected.

Microsoft Windows 10 Version 1507:

Version 10.0.10240.0 and below 10.0.10240.19685 is affected.

Microsoft Windows 10 Version 1607:

Version 10.0.14393.0 and below 10.0.14393.5648 is affected.

Microsoft Windows Server 2016:

Version 10.0.14393.0 and below 10.0.14393.5648 is affected.

Microsoft Windows Server 2016 (Server Core installation):

Version 10.0.14393.0 and below 10.0.14393.5648 is affected.

Microsoft Windows 8.1:

Version 6.3.0 and below 6.3.9600.20778 is affected.

Microsoft Windows Server 2012:

Version 6.2.9200.0 and below 6.2.9200.24075 is affected.

Microsoft Windows Server 2012 (Server Core installation):

Version 6.2.9200.0 and below 6.2.9200.24075 is affected.

Microsoft Windows Server 2012 R2:

Version 6.3.9600.0 and below 6.3.9600.20778 is affected.

Microsoft Windows Server 2012 R2 (Server Core installation):

Version 6.3.9600.0 and below 6.3.9600.20778 is affected.

Exploit Probability

EPSS

7.14%

Percentile

91.38%