Detections
Analytics

Security Updates for Microsoft Excel Products C2R (October 2021)

high Nessus Plugin ID 162064

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Synopsis

The Microsoft Excel Products are affected by multiple vulnerabilities.

Description

The Microsoft Excel Products are missing security updates.
It is, therefore, affected by multiple vulnerabilities :

 - A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2021-40474, CVE-2021-40485)

 - An information disclosure vulnerability. An attacker can exploit this to disclose potentially sensitive information. (CVE-2021-40472)

Solution

For Office 365, Office 2016 C2R, or Office 2019, ensure automatic updates are enabled or open any office app and manually perform an update.

See Also

http://www.nessus.org/u?fd4508ff

Plugin Details

Severity: High

ID: 162064

File Name: smb_nt_ms21_oct_excel_c2r.nasl

Version: 1.11

Type: local

Agent: windows

Family: Windows

Published: 6/10/2022

Updated: 10/20/2023

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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-2021-40485

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.2

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

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

Vulnerability Information

CPE: cpe:/a:microsoft:excel

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-2021-40471, CVE-2021-40472, CVE-2021-40473, CVE-2021-40474, CVE-2021-40479, CVE-2021-40485

IAVA: 2021-A-0465-S, 2021-A-0468-S