CVE-2021-36942

Published: Aug 12, 2021Modified: Oct 30, 2025CISA KEV

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD (Secondary)

Description

Windows LSA Spoofing Vulnerability

Affected (8)

Products: Microsoft: Windows Server 2004, Windows Server 2008, Windows Server 2012, Windows Server 2016, Windows Server 2019, Windows Server 20h2

6 products

Windows Server 2004

Windows Server 2008

Windows Server 2012

Windows Server 2016

Windows Server 2019

Windows Server 20h2

Configuration A

8 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows Server 2004	Before 10.0.19041.1165
Microsoft Windows Server 2008	All versions
Microsoft Windows Server 2008	Version r2 sp1
Microsoft Windows Server 2012	All versions
Microsoft Windows Server 2012	Version r2
Microsoft Windows Server 2016	Before 10.0.14393.4583
Microsoft Windows Server 2019	Before 10.0.17763.2114
Microsoft Windows Server 20h2	Before 10.0.19042.1165

References (5)

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36942

Source: secure@microsoft.com

PatchVendor Advisory

https://www.kb.cert.org/vuls/id/405600

Source: secure@microsoft.com

ExploitThird Party AdvisoryUS Government Resource

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36942

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

https://www.kb.cert.org/vuls/id/405600

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party AdvisoryUS Government Resource

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-36942

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

Timeline

No history available yet.