Detections
Analytics

Security Updates for Microsoft SharePoint Server 2013 (February 2023)

critical Nessus Plugin ID 171506

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Synopsis

The Microsoft SharePoint Server 2013 installation on the remote host is missing a security update.

Description

The Microsoft SharePoint Server 2013 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 KB5002312 to address this issue.

See Also

https://support.microsoft.com/en-us/help/5002312

Plugin Details

Severity: Critical

ID: 171506

File Name: smb_nt_ms23_feb_office_sharepoint_2013_server.nasl

Version: 1.4

Type: local

Agent: windows

Published: 2/15/2023

Updated: 3/16/2023

Supported Sensors: Frictionless Assessment 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

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: MS23-5002312

MSKB: 5002312