KB5000807: Windows 10 March 2021 Security Update

high Nessus Plugin ID 147230

Synopsis

The remote Windows host is affected by multiple vulnerabilities.

Description

The remote Windows host is missing security update 5000807.
It is, therefore, affected by multiple vulnerabilities :

- An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges.
(CVE-2021-1640, CVE-2021-26862, CVE-2021-26866, CVE-2021-26868, CVE-2021-26871, CVE-2021-26872, CVE-2021-26873, CVE-2021-26875, CVE-2021-26878, CVE-2021-26882, CVE-2021-26885, CVE-2021-26898, CVE-2021-26899, CVE-2021-26901, CVE-2021-27077)

- An information disclosure vulnerability. An attacker can exploit this to disclose potentially sensitive information. (CVE-2021-24107, CVE-2021-26869, CVE-2021-26884)

- A denial of service (DoS) vulnerability. An attacker can exploit this issue to cause the affected component to deny system or application services. (CVE-2021-26879, CVE-2021-26886)

- An memory corruption vulnerability exists. An attacker can exploit this to corrupt the memory and cause unexpected behaviors within the system/application.
(CVE-2021-26411)

- A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2021-26861, CVE-2021-26881)

Solution

Apply Cumulative Update KB5000807.

See Also

http://www.nessus.org/u?dcda9069

Plugin Details

Severity: High

ID: 147230

File Name: smb_nt_ms21_mar_5000807.nasl

Version: 1.13

Type: local

Agent: windows

Published: 3/9/2021

Updated: 8/22/2022

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.8

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

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

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

CVSS Score Source: CVE-2021-26901

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.4

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

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

CVSS Score Source: CVE-2021-26881

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: 3/8/2021

Vulnerability Publication Date: 3/8/2021

CISA Known Exploited Dates: 11/17/2021

Exploitable With

CANVAS (CANVAS)

Reference Information

CVE: CVE-2021-1640, CVE-2021-24107, CVE-2021-26411, CVE-2021-26861, CVE-2021-26862, CVE-2021-26866, CVE-2021-26868, CVE-2021-26869, CVE-2021-26871, CVE-2021-26872, CVE-2021-26873, CVE-2021-26875, CVE-2021-26878, CVE-2021-26879, CVE-2021-26881, CVE-2021-26882, CVE-2021-26884, CVE-2021-26885, CVE-2021-26886, CVE-2021-26898, CVE-2021-26899, CVE-2021-26901, CVE-2021-27077

MSKB: 5000807

MSFT: MS21-5000807

IAVA: 2021-A-0129-S, 2021-A-0130-S, 2021-A-0131, 2021-A-0134-S