Detections
Analytics

Security Updates for Outlook (December 2020)

high Nessus Plugin ID 143563

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Synopsis

The Microsoft Outlook application installed on the remote host is missing a security update.

Description

The Microsoft Outlook application installed on the remote host is missing a security update. It is, therefore, affected by the following vulnerability:

 - An information disclosure vulnerability. An attacker can exploit this to disclose potentially sensitive information. (CVE-2020-17119)

Solution

Microsoft has released the following security updates to address this issue:
-KB4486732
 -KB4486742
 -KB4486748

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?133eeec0

http://www.nessus.org/u?030e821e

http://www.nessus.org/u?7faebb8f

Plugin Details

Severity: High

ID: 143563

File Name: smb_nt_ms20_dec_outlook.nasl

Version: 1.8

Type: local

Agent: windows

Published: 12/8/2020

Updated: 8/29/2025

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2020-17119

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: cpe:/a:microsoft:outlook

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-2020-17119

IAVA: 2020-A-0558-S, 2021-A-0017-S

MSFT: MS20-4486732, MS20-4486742, MS20-4486748

MSKB: 4486732, 4486742, 4486748