KB5004946: Windows 10 1909 OOB Security Update RCE (July 2021)

high Nessus Plugin ID 151472

Synopsis

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

Description

A remote command execution vulnerability exists in Windows Print Spooler service improperly performs privileged file operations. An authenticated, remote attacker can exploit this to bypass and run arbitrary code with SYSTEM privileges.

Solution

Apply Cumulative Update 5004946

See Also

https://support.microsoft.com/en-us/help/5004946

Plugin Details

Severity: High

ID: 151472

File Name: smb_nt_ms21_jul_5004946.nasl

Version: 1.10

Type: local

Agent: windows

Published: 7/8/2021

Updated: 6/17/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.8

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 7.8

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

CVSS Score Source: CVE-2021-34527

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.4

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:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:microsoft:windows_10_1909

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/1/2021

Vulnerability Publication Date: 7/1/2021

CISA Known Exploited Vulnerability Due Dates: 7/20/2021

Exploitable With

CANVAS (CANVAS)

Core Impact

Reference Information

CVE: CVE-2021-34527

IAVA: 2021-A-0299

MSFT: MS21-5004946

MSKB: 5004946