Security Updates for Microsoft Internet Explorer OOB (Sept 2021)

high Nessus Plugin ID 153214
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 Microsoft Internet Explorer installation on the remote host is affected by a remote code execution vulnerability.

Description

The Microsoft Internet Explorer installation on the remote host is affected by a remote code execution vulnerability.

Solution

Review the Microsoft advisory for registry settings & workaround guidance.

See Also

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-40444

Plugin Details

Severity: High

ID: 153214

File Name: smb_nt_ms21_ie_sept_2021.nasl

Version: 1.2

Type: local

Agent: windows

Family: Windows

Published: 9/10/2021

Updated: 9/13/2021

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

Risk Information

CVSS Score Source: CVE-2021-40444

VPR

Risk Factor: Critical

Score: 9.7

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 7.2

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

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

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.4

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

Temporal Vector: E:H/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: 9/7/2021

Vulnerability Publication Date: 9/7/2021

Reference Information

CVE: CVE-2021-40444