Microsoft Windows LAN Manager SNMP LanMan Users Disclosure

medium Nessus Plugin ID 10546
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.


The list of LanMan users of the remote host can be obtained via SNMP.


It is possible to obtain the list of LanMan users on the remote host by sending SNMP requests with the OID

An attacker may use this information to gain more knowledge about the target host.


Disable the SNMP service on the remote host if you do not use it, or filter incoming UDP packets going to this port.

Plugin Details

Severity: Medium

ID: 10546

File Name: snmp_lanman_users.nasl

Version: 1.41

Type: remote

Family: SNMP

Published: 11/10/2000

Updated: 10/4/2019

Dependencies: find_service2.nasl, snmp_settings.nasl

Risk Information

CVSS Score Source: manual

CVSS Score Rationale: Tenable score for information disclosure


Risk Factor: Low

Score: 1.4


Risk Factor: Medium

Base Score: 5

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


Risk Factor: Medium

Base Score: 5.3

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

Vulnerability Information

Required KB Items: SNMP/community

Reference Information

CVE: CVE-1999-0499