Security Updates for Microsoft Office Online Server (February 2025)

high Nessus Plugin ID 216138

Synopsis

The Microsoft Office Online Server installation on the remote host is affected by multiple vulnerabilities.

Description

The Microsoft Office Online Server installation on the remote host is 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-2025-21381, CVE-2025-21386, CVE-2025-21387, CVE-2025-21390, CVE-2025-21394)

Solution

Microsoft has released KB5002679 to address this issue.

See Also

https://support.microsoft.com/en-us/help/5002679

Plugin Details

Severity: High

ID: 216138

File Name: smb_nt_ms25_feb_office_web.nasl

Version: 1.1

Type: local

Agent: windows

Published: 2/11/2025

Updated: 2/11/2025

Supported Sensors: Nessus Agent, Nessus

Risk Information

CVSS v2

Risk Factor: Medium

Base Score: 6.9

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

CVSS Score Source: CVE-2025-21381

CVSS v3

Risk Factor: High

Base Score: 7.8

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

Vulnerability Information

CPE: cpe:/a:microsoft:office_web_apps

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 2/11/2025

Vulnerability Publication Date: 2/11/2025

Reference Information

CVE: CVE-2025-21381, CVE-2025-21386, CVE-2025-21387, CVE-2025-21390, CVE-2025-21394

MSFT: MS25-5002679

MSKB: 5002679