Detections
Analytics

KB4592495: Windows 8.1 and Windows Server 2012 R2 December 2020 Security Update

high Nessus Plugin ID 143560

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Synopsis

The remote Windows host is affected by multiple vulnerabilities.

Description

The remote Windows host is missing security update 4592495 or cumulative update 4592484. It is, therefore, affected by multiple vulnerabilities:

 - An information disclosure vulnerability. An attacker can exploit this to disclose potentially sensitive information. (CVE-2020-17098, CVE-2020-17140)

 - A security feature bypass vulnerability exists. An attacker can exploit this and bypass the security feature and perform unauthorized actions compromising the integrity of the system/application.
 (CVE-2020-16996)

 - An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges.
 (CVE-2020-17092, CVE-2020-17097)

 - A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2020-17096)

Solution

Apply Security Only update KB4592495 or Cumulative Update KB4592484.

See Also

https://support.microsoft.com/en-us/help/4592495/windows-8-1-update

https://support.microsoft.com/en-us/help/4592484/windows-8-1-update

Plugin Details

Severity: High

ID: 143560

File Name: smb_nt_ms20_dec_4592484.nasl

Version: 1.9

Type: local

Agent: windows

Published: 12/8/2020

Updated: 6/17/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

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: CVE-2020-17096

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

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

CVSS Score Source: CVE-2020-17140

Vulnerability Information

CPE: cpe:/o:microsoft:windows_8, cpe:/o:microsoft:windows_server_2012:r2

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 12/8/2020

Vulnerability Publication Date: 12/8/2020

Reference Information

CVE: CVE-2020-16996, CVE-2020-17092, CVE-2020-17096, CVE-2020-17097, CVE-2020-17098, CVE-2020-17140

IAVA: 2020-A-0561-S, 2020-A-0562-S

MSFT: MS20-4592484, MS20-4592495

MSKB: 4592484, 4592495