CVE-2021-36942

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-36942
Windows LSA Spoofing Vulnerability

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:P/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References
Link Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36942 Patch Vendor Advisory
https://www.kb.cert.org/vuls/id/405600 Exploit Third Party Advisory US Government Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36942 Patch Vendor Advisory
https://www.kb.cert.org/vuls/id/405600 Exploit Third Party Advisory US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-36942
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_20h2:*:*:*:*:*:*:*:*
History

22 Oct 2025, 00:17

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-36942 -

21 Oct 2025, 20:18

Type Values Removed Values Added
References
  • {'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-36942', 'source': '134c704f-9b21-4f2e-91b3-4a467353bcc0'}

21 Oct 2025, 19:19

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-36942 -

21 Nov 2024, 06:14

Type Values Removed Values Added
References () https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36942 - Patch, Vendor Advisory () https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36942 - Patch, Vendor Advisory
References () https://www.kb.cert.org/vuls/id/405600 - Exploit, Third Party Advisory, US Government Resource () https://www.kb.cert.org/vuls/id/405600 - Exploit, Third Party Advisory, US Government Resource

26 Jul 2024, 19:29

Type Values Removed Values Added
CPE cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*		 cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_20h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
First Time Microsoft windows Server 20h2
Microsoft windows Server 2004

28 Dec 2023, 20:15

Type Values Removed Values Added
CVSS v2 : 5.0
v3 : 5.3 		v2 : 5.0
v3 : 7.5

08 Aug 2023, 14:21

Type Values Removed Values Added
CWE CWE-290 NVD-CWE-Other

01 Apr 2022, 13:10

Type Values Removed Values Added
References (CERT-VN) https://www.kb.cert.org/vuls/id/405600 - (CERT-VN) https://www.kb.cert.org/vuls/id/405600 - Exploit, Third Party Advisory, US Government Resource

06 Oct 2021, 12:15

Type Values Removed Values Added
References
  • (CERT-VN) https://www.kb.cert.org/vuls/id/405600 -

20 Aug 2021, 18:59

Type Values Removed Values Added
CWE CWE-290
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 5.3
References (N/A) https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36942 - (N/A) https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36942 - Patch, Vendor Advisory
CPE cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

12 Aug 2021, 18:34

Type Values Removed Values Added
New CVE
Information

Published : 2021-08-12 18:15

Updated : 2025-10-22 00:17

NVD link : CVE-2021-36942

Mitre link : CVE-2021-36942

CVE.ORG link : CVE-2021-36942

JSON object : View

Products Affected

microsoft

  • windows_server_2004
  • windows_server_2012
  • windows_server_20h2
  • windows_server_2019
  • windows_server_2016
  • windows_server_2008
CWE
NVD-CWE-Other