Security Updates for Microsoft Office Web Apps (January 2022)

high Nessus Plugin ID 156714

Synopsis

The Microsoft Office Web Apps installation on the remote host is missing a security update.

Description

The Microsoft Office Web Apps installation on the remote host is missing a security update. It is, therefore, affected by a remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary code. (CVE-2022-21840)

Solution

Microsoft has released KB5002122 to address this issue.

See Also

https://support.microsoft.com/en-us/help/5002122

Plugin Details

Severity: High

ID: 156714

File Name: smb_nt_ms22_jan_office_web.nasl

Version: 1.5

Type: local

Agent: windows

Published: 1/13/2022

Updated: 4/27/2022

Supported Sensors: 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-2022-21840

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/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:office_web_apps, cpe:/a:microsoft:office_online_server

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 1/11/2022

Vulnerability Publication Date: 1/11/2022

Reference Information

CVE: CVE-2022-21840

IAVA: 2022-A-0018-S

MSFT: MS22-5002122

MSKB: 5002122