KB4601319: Windows 10 version 2004 Feb 2021 Security Update

critical Nessus Plugin ID 146345


The remote host is missing one or more security updates.


The remote Windows host is missing security update 4601319.
It is, therefore, affected by multiple vulnerabilities :

- An information disclosure vulnerability. An attacker can exploit this to disclose potentially sensitive information. (CVE-2021-1734, CVE-2021-24076, CVE-2021-24079, CVE-2021-24084, CVE-2021-24106)

- A denial of service (DoS) vulnerability. An attacker can exploit this issue to cause the affected component to deny system or application services. (CVE-2021-24075, CVE-2021-24080, CVE-2021-24086, CVE-2021-24098)

- A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2021-1722, CVE-2021-24074, CVE-2021-24077, CVE-2021-24081, CVE-2021-24083, CVE-2021-24088, CVE-2021-24091, CVE-2021-24093, CVE-2021-24094)

- An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges.
(CVE-2021-1698, CVE-2021-1727, CVE-2021-1732, CVE-2021-24096, CVE-2021-24102, CVE-2021-24103, CVE-2021-25195)

- A security feature bypass vulnerability exists. An attacker can exploit this and bypass the security feature and perform unauthorized actions compromising the integrity of the system/application. (CVE-2021-1731, CVE-2021-24082)


Microsoft has released KB4601319 to address this issue.

See Also


Plugin Details

Severity: Critical

ID: 146345

File Name: smb_nt_ms21_feb_4601319.nasl

Version: 1.12

Type: local

Agent: windows

Published: 2/9/2021

Updated: 1/20/2023

Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure

Risk Information


Risk Factor: Critical

Score: 9.8


Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

CVSS Score Source: CVE-2021-24094


Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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: 2/9/2021

Vulnerability Publication Date: 2/9/2021

CISA Known Exploited Dates: 11/17/2021

Exploitable With


Core Impact

Metasploit (Win32k ConsoleControl Offset Confusion)

Reference Information

CVE: CVE-2021-1698, CVE-2021-1722, CVE-2021-1727, CVE-2021-1731, CVE-2021-1732, CVE-2021-1734, CVE-2021-24074, CVE-2021-24075, CVE-2021-24076, CVE-2021-24077, CVE-2021-24078, CVE-2021-24079, CVE-2021-24080, CVE-2021-24081, CVE-2021-24082, CVE-2021-24083, CVE-2021-24084, CVE-2021-24086, CVE-2021-24088, CVE-2021-24091, CVE-2021-24093, CVE-2021-24094, CVE-2021-24096, CVE-2021-24098, CVE-2021-24102, CVE-2021-24103, CVE-2021-24106, CVE-2021-25195

MSKB: 4601319

MSFT: MS21-4601319

IAVA: 2021-A-0072-S, 2021-A-0093-S