Microsoft Forefront Endpoint Protection / System Center Endpoint Protection / Anti-malware Client Detection and Status

critical Nessus Plugin ID 52544
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.


An antivirus or antimalware application is installed on the remote host, but it is not working properly.


Microsoft Forefront Endpoint Protection, or another antimalware product from Microsoft, is installed on the remote host. However, there is a problem with the installation; either its services are not running or its engine and/or virus definitions are out of date.


Make sure that updates are working and the associated services are running.

See Also

Plugin Details

Severity: Critical

ID: 52544

File Name: fep_installed.nasl

Version: 1.784

Type: local

Agent: windows

Family: Windows

Published: 3/4/2011

Updated: 3/8/2021

Dependencies: smb_hotfixes.nasl, smb_enum_services.nasl, microsoft_windows_defender_win_installed.nbin

Asset Inventory: true

Risk Information

CVSS Score Source: manual

CVSS Score Rationale: Updates to security software are critical.


Risk Factor: Critical

Base Score: 10

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


Risk Factor: Critical

Base Score: 10

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

Vulnerability Information

CPE: cpe:2.3:a:microsoft:system_center_endpoint_protection:*:*:*:*:*:*:*:*

Required KB Items: SMB/Registry/Enumerated, SMB/Services/Enumerated