Detections
Analytics

Security Updates for Microsoft Excel Products C2R (April 2021)

high Nessus Plugin ID 162035

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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 :

 - Microsoft Office Remote Code Execution Vulnerability (CVE-2021-28449)

 - Microsoft Excel Remote Code Execution Vulnerability (CVE-2021-28451, CVE-2021-28454, CVE-2021-28456) Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

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: 162035

File Name: smb_nt_ms21_apr_excel_c2r.nasl

Version: 1.8

Type: local

Agent: windows

Family: Windows

Published: 6/10/2022

Updated: 10/25/2023

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

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

CVSS Score Source: CVE-2021-28454

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:microsoft:excel

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 4/13/2021

Vulnerability Publication Date: 4/13/2021

Reference Information

CVE: CVE-2021-28449, CVE-2021-28451, CVE-2021-28454, CVE-2021-28456

IAVA: 2021-A-0170-S