KB5007206: Windows 10 Version 1809 and Windows Server 2019 Security Update (November 2021)

critical Nessus Plugin ID 154993

Synopsis

The remote Windows host is affected by multiple vulnerabilities.

Description

The remote Windows host is missing security update 5007206.
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-2021-26443, CVE-2021-38666, CVE-2021-41378, CVE-2021-42275, CVE-2021-42276, CVE-2021-42279)

- An information disclosure vulnerability. An attacker can exploit this to disclose potentially sensitive information. (CVE-2021-38631, CVE-2021-38665, CVE-2021-41371)

- An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges.
(CVE-2021-36957, CVE-2021-41366, CVE-2021-41367, CVE-2021-41370, CVE-2021-41377, CVE-2021-41379, CVE-2021-42277, CVE-2021-42278, CVE-2021-42280, CVE-2021-42282, CVE-2021-42283, CVE-2021-42285, CVE-2021-42287, CVE-2021-42291)

- 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-2021-42288)

- A denial of service (DoS) vulnerability. An attacker can exploit this issue to cause the affected component to deny system or application services. (CVE-2021-41356, CVE-2021-42274, CVE-2021-42284)

Solution

Apply Cumulative Update KB5007206.

See Also

https://support.microsoft.com/en-us/help/5007206

Plugin Details

Severity: Critical

ID: 154993

File Name: smb_nt_ms21_nov_5007206.nasl

Version: 1.9

Type: local

Agent: windows

Published: 11/9/2021

Updated: 4/22/2022

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

Risk Information

CVSS Score Source: CVE-2021-26443

VPR

Risk Factor: Critical

Score: 9.7

CVSS v2

Risk Factor: High

Base Score: 7.7

Temporal Score: 6.7

Vector: AV:A/AC:L/Au:S/C:C/I:C/A:C

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

CVSS v3

Risk Factor: Critical

Base Score: 9

Temporal Score: 8.6

Vector: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/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: 11/9/2021

Vulnerability Publication Date: 11/9/2021

CISA Known Exploited Dates: 3/17/2022, 5/2/2022

Reference Information

CVE: CVE-2021-26443, CVE-2021-36957, CVE-2021-38631, CVE-2021-38665, CVE-2021-38666, CVE-2021-41351, CVE-2021-41356, CVE-2021-41366, CVE-2021-41367, CVE-2021-41370, CVE-2021-41371, CVE-2021-41377, CVE-2021-41378, CVE-2021-41379, CVE-2021-42274, CVE-2021-42275, CVE-2021-42276, CVE-2021-42277, CVE-2021-42278, CVE-2021-42279, CVE-2021-42280, CVE-2021-42282, CVE-2021-42283, CVE-2021-42284, CVE-2021-42285, CVE-2021-42287, CVE-2021-42288, CVE-2021-42291

MSKB: 5007206

MSFT: MS21-5007206

IAVA: 2021-A-0539-S, 2021-A-0544, 2021-A-0545-S