KB5005040: Windows 10 version 1507 LTS Security Update (August 2021)

critical Nessus Plugin ID 152422

Synopsis

The remote Windows host is affected by multiple vulnerabilities.

Description

The remote Windows host is missing security update 5005040.
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 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, CVE-2021-36938)

- 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-2021-34536, CVE-2021-34537)

- 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 KB5005040.

See Also

http://www.nessus.org/u?cab780fc

Plugin Details

Severity: Critical

ID: 152422

File Name: smb_nt_ms21_aug_5005040.nasl

Version: 1.8

Type: local

Agent: windows

Published: 8/10/2021

Updated: 12/29/2023

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.5

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

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: 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-2021-34483, CVE-2021-34484, 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-2021-36938, CVE-2021-36947

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

MSFT: MS21-5005040

MSKB: 5005040