Security Updates for Microsoft SharePoint Server 2019 (January 2022)

high Nessus Plugin ID 156639

Synopsis

The Microsoft SharePoint Server 2019 installation on the remote host is missing security updates.

Description

The Microsoft SharePoint Server 2019 installation on the remote host is missing security updates. It is, therefore, affected by a remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2022-21837,CVE-2022-21840)

Solution

Microsoft has released security update KB5002109 to address this issue.

See Also

https://support.microsoft.com/en-us/help/5002109

Plugin Details

Severity: High

ID: 156639

File Name: smb_nt_ms22_jan_office_sharepoint_2019.nasl

Version: 1.6

Type: local

Agent: windows

Published: 1/12/2022

Updated: 5/6/2022

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

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

CVSS Score Source: CVE-2022-21837

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

CVSS Score Source: CVE-2022-21840

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: 1/11/2022

Vulnerability Publication Date: 1/11/2022

Reference Information

CVE: CVE-2022-21837, CVE-2022-21840

MSKB: 5002109

MSFT: MS22-5002109

IAVA: 2022-A-0007-S