CVE-2021-36942

Published: Aug 12, 2021

Modified: Oct 21, 2025

PUBLISHED

CVSS v3.1

7.5

HIGH

Windows LSA Spoofing Vulnerability

Vendor	Product	Versions
Microsoft	Windows Server 2019	affected `10.0.0 - < 10.0.17763.2114`
Microsoft	Windows Server 2019 (Server Core installation)	affected `10.0.0 - < 10.0.17763.2114`
Microsoft	Windows Server version 2004	affected `10.0.0 - < 10.0.19041.1165`
Microsoft	Windows Server version 20H2	affected `10.0.0 - < 10.0.19042.1165`
Microsoft	Windows Server 2016	affected `10.0.0 - < 10.0.14393.4583`
Microsoft	Windows Server 2016 (Server Core installation)	affected `10.0.0 - < 10.0.14393.4583`
Microsoft	Windows Server 2008 Service Pack 2	affected `6.0.0 - < 6.0.6003.21192`
Microsoft	Windows Server 2008 Service Pack 2 (Server Core installation)	affected `6.0.0 - < 6.0.6003.21192`
Microsoft	Windows Server 2008 Service Pack 2	affected `6.0.0 - < 6.0.6003.21192`
Microsoft	Windows Server 2008 R2 Service Pack 1	affected `6.1.0 - < 6.1.7601.25685`
Microsoft	Windows Server 2008 R2 Service Pack 1 (Server Core installation)	affected `6.0.0 - < 6.1.7601.25685`
Microsoft	Windows Server 2012	affected `6.2.0 - < 6.2.9200.23435`
Microsoft	Windows Server 2012 (Server Core installation)	affected `6.2.0 - < 6.2.9200.23435`
Microsoft	Windows Server 2012 R2	affected `6.3.0 - < 6.3.9600.20094`
Microsoft	Windows Server 2012 R2 (Server Core installation)	affected `6.3.0 - < 6.3.9600.20094`

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:F/RL:O/RC:C

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

third-party-advisory

x_refsource_CERT-VN

x_refsource_MISC

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