KB5005031: Windows 10 Version 1909 Security Update (August 2021)

critical Nessus Plugin ID 152430

Synopsis

The remote Windows host is affected by multiple vulnerabilities.

Description

The remote Windows host is missing security update 5005031.
It is, therefore, affected by multiple vulnerabilities :

- A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2021-26424, CVE-2021-26432, CVE-2021-34530, CVE-2021-34533, CVE-2021-34534, CVE-2021-34535, CVE-2021-36936, CVE-2021-36937, CVE-2021-36947)

- An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges.
(CVE-2021-26425, CVE-2021-26426, CVE-2021-34483, CVE-2021-34484, CVE-2021-34486, CVE-2021-34487, CVE-2021-34536, CVE-2021-34537, CVE-2021-36948)

- An information disclosure vulnerability. An attacker can exploit this to disclose potentially sensitive information. (CVE-2021-26433, CVE-2021-36926, CVE-2021-36932, CVE-2021-36933)

- An memory corruption vulnerability exists. An attacker can exploit this to corrupt the memory and cause unexpected behaviors within the system/application.
(CVE-2021-34480)

Solution

Apply Cumulative Update KB5005031.

See Also

http://www.nessus.org/u?819616f3

Plugin Details

Severity: Critical

ID: 152430

File Name: smb_nt_ms21_aug_5005031.nasl

Version: 1.12

Type: local

Agent: windows

Published: 8/10/2021

Updated: 6/17/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.2

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2021-36936

CVSS v3

Risk Factor: Critical

Base Score: 9.9

Temporal Score: 9.5

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

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

CVSS Score Source: CVE-2021-26424

Vulnerability Information

CPE: cpe:/o:microsoft:windows_10_1909

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/10/2021

Vulnerability Publication Date: 8/10/2021

CISA Known Exploited Vulnerability Due Dates: 11/17/2021, 4/18/2022, 4/21/2022

Reference Information

CVE: CVE-2021-26424, CVE-2021-26425, CVE-2021-26426, CVE-2021-26432, CVE-2021-26433, CVE-2021-34480, CVE-2021-34481, CVE-2021-34483, CVE-2021-34484, CVE-2021-34486, CVE-2021-34487, CVE-2021-34530, CVE-2021-34533, CVE-2021-34534, CVE-2021-34535, CVE-2021-34536, CVE-2021-34537, CVE-2021-36926, CVE-2021-36932, CVE-2021-36933, CVE-2021-36936, CVE-2021-36937, CVE-2021-36947, CVE-2021-36948

IAVA: 2021-A-0373-S, 2021-A-0374-S

MSFT: MS21-5005031

MSKB: 5005031