Detections
Analytics

Security Updates for Microsoft SharePoint Server 2019 (Aprtil 2021)

high Nessus Plugin ID 148738

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Synopsis

The Microsoft SharePoint Server 2019 installation on the remote host is affected by multiple vulnerabilities.

Description

The Microsoft SharePoint Server 2019 installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities:

 - Microsoft SharePoint Denial of Service Update (CVE-2021-28450)
 - Microsoft Word Remote Code Execution Vulnerability (CVE-2021-28453)

Solution

Microsoft has released the following security updates to address this issue:
-KB4504716

See Also

https://support.microsoft.com/en-us/help/4504716

Plugin Details

Severity: High

ID: 148738

File Name: smb_nt_ms21_apr_office_sharepoint_2019.nasl

Version: 1.4

Type: local

Agent: windows

Published: 4/16/2021

Updated: 6/3/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2021-28453

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:sharepoint_server

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 4/13/2021

Vulnerability Publication Date: 4/13/2021

Reference Information

CVE: CVE-2021-28450, CVE-2021-28453

IAVA: 2021-A-0172-S

MSFT: MS21-4504716

MSKB: 4504716