Security Updates for Microsoft SharePoint Server 2013 (November 2020)

high Nessus Plugin ID 142806

Synopsis

The Microsoft SharePoint Server 2013 installation on the remote host is affected by multiple vulnerabilities.

Description

The Microsoft SharePoint Server 2013 installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities :

- An Information Disclosure Vulnerability exists in Microsoft SharePoint. (CVE-2020-16979, CVE-2020-17017)
- A Spoofing Vulnerability exists in Microsoft SharePoint. (CVE-2020-17015, CVE-2020-17016, CVE-2020-17060)
- A Remote Code Execution Vulnerability exists in Microsoft SharePoint. (CVE-2020-17061)

Solution

Microsoft has released the following security updates to address this issue:
-KB4486733
-KB4486723

See Also

http://www.nessus.org/u?0537e479

http://www.nessus.org/u?f70d7304

Plugin Details

Severity: High

ID: 142806

File Name: smb_nt_ms20_nov_office_sharepoint_2013.nasl

Version: 1.8

Type: local

Agent: windows

Published: 11/12/2020

Updated: 12/5/2022

Supported Sensors: Nessus

Risk Information

CVSS Score Rationale: Score based on analysis of the vendor advisory.

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

CVSS Score Source: manual

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/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, cpe:/a:microsoft:sharepoint_foundation

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 11/10/2020

Vulnerability Publication Date: 11/10/2020

Reference Information

CVE: CVE-2020-16979, CVE-2020-17015, CVE-2020-17016, CVE-2020-17017, CVE-2020-17060, CVE-2020-17061

IAVA: 2020-A-0514-S

MSFT: MS20-4486723, MS20-4486733

MSKB: 4486723, 4486733