Detections
Analytics

Security Updates for Microsoft Word Products (January 2021)

high Nessus Plugin ID 144875

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Synopsis

The Microsoft Word Products are affected by multiple vulnerabilities.

Description

The Microsoft Word Products are missing security updates. 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-2021-1715, CVE-2021-1716)

Solution

Microsoft has released the following security updates to address this issue:
-KB4486764
 -KB4493156
 -KB4493145

For Office 365, Office 2016 C2R, or Office 2019, ensure automatic updates are enabled or open any office app and manually perform an update.

See Also

http://www.nessus.org/u?b5f11eef

http://www.nessus.org/u?d92d39d9

http://www.nessus.org/u?0c3b9099

Plugin Details

Severity: High

ID: 144875

File Name: smb_nt_ms21_jan_word.nasl

Version: 1.8

Type: local

Agent: windows

Published: 1/12/2021

Updated: 12/7/2022

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

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

CVSS Score Source: CVE-2021-1716

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: cpe:/a:microsoft:word

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 1/12/2021

Vulnerability Publication Date: 1/12/2021

Reference Information

CVE: CVE-2021-1715, CVE-2021-1716

IAVA: 2021-A-0024-S

MSFT: MS21-4486764, MS21-4493145, MS21-4493156

MSKB: 4486764, 4493145, 4493156