Unpassworded 'guest' Account

critical Nessus Plugin ID 11240

Synopsis

The remote host has an account with a blank password.

Description

The account 'guest' has no password set. An attacker may use it to gain further privileges on this system.

Solution

Set a password for this account or disable it.

Plugin Details

Severity: Critical

ID: 11240

File Name: account_guest.nasl

Version: 1.35

Type: remote

Published: 2/20/2003

Updated: 4/11/2022

Configuration: Enable thorough checks

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.1

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.9

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

Temporal Vector: CVSS:3.0/E:P/RL:T/RC:C

Vulnerability Information

Excluded KB Items: global_settings/supplied_logins_only

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 1/1/2001

Exploitable With

Metasploit (SSH User Code Execution)

Reference Information

CVE: CVE-1999-0502

BID: 30