Detections
Analytics

Security Updates for Microsoft SharePoint Server Subscription Edition (February 2023)

critical Nessus Plugin ID 171507

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Synopsis

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

Description

The Microsoft SharePoint Server Subscription Edition installation on the remote host is 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-2023-21716)

 - An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges.
 (CVE-2023-21717)

Solution

Microsoft has released KB5002353 to address this issue.

See Also

https://support.microsoft.com/en-us/help/5002353

Plugin Details

Severity: Critical

ID: 171507

File Name: smb_nt_ms23_feb_office_sharepoint_subscr.nasl

Version: 1.5

Type: local

Agent: windows

Published: 2/15/2023

Updated: 6/6/2024

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

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

CVSS Score Source: CVE-2023-21716

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

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

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

Vulnerability Information

CPE: cpe:/a:microsoft:sharepoint_server:subscription

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/14/2023

Vulnerability Publication Date: 2/14/2023

Reference Information

CVE: CVE-2023-21716, CVE-2023-21717

IAVA: 2023-A-0084-S

MSFT: MS23-5002353

MSKB: 5002353