Security Updates for Internet Explorer (October 2021)

medium Nessus Plugin ID 154032

Synopsis

The Internet Explorer installation on the remote host is missing a security update.

Description

The Internet Explorer installation on the remote host is missing a security update. It is, therefore, affected by a remote code execution vulnerability in the MSHTML platform. An unauthenticated, remote attacker can exploit this to bypass authentication and execute arbitrary commands.

Solution

Microsoft has released the following security updates to address this issue:
-KB5006671
-KB5006714
-KB5006736
-KB5006739
-KB5006743

See Also

https://support.microsoft.com/en-us/topic/5006671

https://support.microsoft.com/en-us/topic/5006714

https://support.microsoft.com/en-us/topic/5006736

https://support.microsoft.com/en-us/topic/5006739

https://support.microsoft.com/en-us/topic/5006743

Plugin Details

Severity: Medium

ID: 154032

File Name: smb_nt_ms21_oct_internet_explorer.nasl

Version: 1.7

Type: local

Agent: windows

Published: 10/12/2021

Updated: 12/29/2023

Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.6

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2021-41342

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 6.3

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

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

Vulnerability Information

CPE: cpe:/a:microsoft:ie

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/12/2021

Vulnerability Publication Date: 10/12/2021

Reference Information

CVE: CVE-2021-41342

IAVA: 2021-A-0472-S, 2021-A-0475-S

MSFT: MS21-5006671, MS21-5006714, MS21-5006736, MS21-5006739, MS21-5006743

MSKB: 5006671, 5006714, 5006736, 5006739, 5006743