KB4551762: Windows 10 Version 1903 and Windows 10 Version 1909 OOB Security Update (ADV200005)(CVE-2020-0796)

critical Nessus Plugin ID 134428
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote Windows host is affected by a remote code execution vulnerability.

Description

The remote Windows host is missing security update 4551762. It is, therefore, affected by a remote code execution vulnerability. The vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests. An attacker who successfully exploited the vulnerability could gain the ability to execute code on the target server or client.

Solution

Apply Cumulative Update KB4551762.

See Also

http://www.nessus.org/u?ab6efe1b

Plugin Details

Severity: Critical

ID: 134428

File Name: smb_nt_ms20_mar_4551762.nasl

Version: 1.10

Type: local

Agent: windows

Published: 3/12/2020

Updated: 1/13/2021

Dependencies: smb_check_rollup.nasl, smb_hotfixes.nasl, ms_bulletin_checks_possible.nasl

Risk Information

CVSS Score Source: CVE-2020-0796

VPR

Risk Factor: Critical

Score: 10

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 9.5

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

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

Vulnerability Information

CPE: cpe:/o:microsoft:windows

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/12/2020

Vulnerability Publication Date: 3/12/2020

Exploitable With

CANVAS (CANVAS)

Metasploit (SMBv3 Compression Buffer Overflow)

Reference Information

CVE: CVE-2020-0796

MSKB: 4551762

MSFT: MS20-4551762