Detections
Analytics

Security Updates for Microsoft Office Products (December 2020)

high Nessus Plugin ID 143555

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Synopsis

The Microsoft Office Products are affected by multiple remote code execution vulnerabilities.

Description

The Microsoft Office Products are missing security updates. It is, therefore, affected by multiple remote code execution vulnerabilities. An attacker can exploit these to bypass authentication and execute unauthorized arbitrary commands.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Microsoft has released the following security updates to address these issues:
-KB4486698
 -KB4493140
 -KB4486757

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?8b5beafd

http://www.nessus.org/u?c6f9bfee

http://www.nessus.org/u?f71d8d98

Plugin Details

Severity: High

ID: 143555

File Name: smb_nt_ms20_dec_office.nasl

Version: 1.11

Type: local

Agent: windows

Published: 12/8/2020

Updated: 2/6/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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-2020-17128

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:office

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 12/8/2020

Vulnerability Publication Date: 12/8/2020

Reference Information

CVE: CVE-2020-17122, CVE-2020-17128

IAVA: 2020-A-0557-S, 2021-A-0017-S

MSFT: MS20-4486698, MS20-4486757, MS20-4493140

MSKB: 4486698, 4486757, 4493140