KB5004237: Windows 10 Version 2004 / Windows 10 Version 20H2 / Windows 10 Version 21H1 Security Update (July 2021)

high Nessus Plugin ID 151606
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.


The remote Windows host is affected by multiple vulnerabilities.


The remote Windows host is missing security update 5004237. It is, therefore, affected by multiple vulnerabilities.


Apply Cumulative Update 5004237

See Also

Plugin Details

Severity: High

ID: 151606

File Name: smb_nt_ms21_jul_5004237.nasl

Version: 1.8

Type: local

Agent: windows

Published: 7/13/2021

Updated: 11/30/2021

Dependencies: smb_check_rollup.nasl, smb_hotfixes.nasl, ms_bulletin_checks_possible.nasl

Risk Information

CVSS Score Source: CVE-2021-34448


Risk Factor: Critical

Score: 9.2


Risk Factor: High

Base Score: 9.3

Temporal Score: 8.1

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Temporal Vector: E:H/RL:OF/RC:C


Risk Factor: High

Base Score: 8.8

Temporal Score: 8.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: E:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:microsoft:windows

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/13/2021

Vulnerability Publication Date: 7/13/2021

Reference Information

CVE: CVE-2021-31183, CVE-2021-31961, CVE-2021-31979, CVE-2021-33740, CVE-2021-33743, CVE-2021-33744, CVE-2021-33745, CVE-2021-33746, CVE-2021-33749, CVE-2021-33750, CVE-2021-33751, CVE-2021-33752, CVE-2021-33754, CVE-2021-33755, CVE-2021-33756, CVE-2021-33757, CVE-2021-33759, CVE-2021-33760, CVE-2021-33761, CVE-2021-33763, CVE-2021-33764, CVE-2021-33765, CVE-2021-33771, CVE-2021-33772, CVE-2021-33773, CVE-2021-33774, CVE-2021-33779, CVE-2021-33780, CVE-2021-33781, CVE-2021-33782, CVE-2021-33783, CVE-2021-33784, CVE-2021-33785, CVE-2021-33786, CVE-2021-33788, CVE-2021-34438, CVE-2021-34440, CVE-2021-34441, CVE-2021-34442, CVE-2021-34444, CVE-2021-34445, CVE-2021-34446, CVE-2021-34447, CVE-2021-34448, CVE-2021-34449, CVE-2021-34450, CVE-2021-34454, CVE-2021-34455, CVE-2021-34456, CVE-2021-34457, CVE-2021-34458, CVE-2021-34459, CVE-2021-34460, CVE-2021-34461, CVE-2021-34462, CVE-2021-34466, CVE-2021-34476, CVE-2021-34488, CVE-2021-34489, CVE-2021-34490, CVE-2021-34491, CVE-2021-34492, CVE-2021-34493, CVE-2021-34494, CVE-2021-34496, CVE-2021-34497, CVE-2021-34498, CVE-2021-34499, CVE-2021-34500, CVE-2021-34504, CVE-2021-34507, CVE-2021-34508, CVE-2021-34509, CVE-2021-34510, CVE-2021-34511, CVE-2021-34512, CVE-2021-34513, CVE-2021-34514, CVE-2021-34516, CVE-2021-34521, CVE-2021-34525

MSKB: 5004237

MSFT: MS21-5004237

IAVA: 2021-A-0319-S, 2021-A-0318-S