Siemens SIMATIC WinCC Default Password Authentication Bypass - Nessus

High   Plugin ID: 47759

This page contains detailed information about the Siemens SIMATIC WinCC Default Password Authentication Bypass Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.

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Plugin Overview

ID: 47759
Name: Siemens SIMATIC WinCC Default Password Authentication Bypass
Filename: scada_wincc_default_creds.nbin
Vulnerability Published: 2010-07-16
This Plugin Published: 2010-07-16
Last Modification Time: 2022-05-03
Plugin Version: 1.191
Plugin Type: remote
Plugin Family: SCADA
Dependencies: mssqlserver_detect.nasl, sybase_detect.nasl
Excluded KB Items [?]: global_settings/supplied_logins_only

Vulnerability Information

Severity: High
Vulnerability Published: 2010-07-16
Patch Published: N/A
CVE [?]: CVE-2010-2772
CPE [?]: N/A
Default Account Vulnerability: True

Synopsis

The remote database service has a default account configured.

Description

The remote instance of SQL Server has the default 'WinCCConnect' account enabled with its default password set.

An attacker may leverage this flaw to execute commands against the remote host, as well as read the content of the WinCC database if present.

Solution

Filter incoming traffic to this port or change the account password.

Public Exploits

Target Network Port(s): N/A
Target Asset(s): Services/mssql
Exploit Available: True (GitHub)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the Siemens SIMATIC WinCC Default Password Authentication Bypass vulnerability:

  1. GitHub: https://github.com/ic3sw0rd/S7_plus_Crash
    [CVE-2010-2772]
  2. GitHub: https://github.com/uraninite/win32-stuxnet
    [CVE-2010-2772]

Before running any exploit against any system, make sure you are authorized by the owner of the target system(s) to perform such activity. In any other case, this would be considered as an illegal activity.

WARNING: Beware of using unverified exploits from sources such as GitHub or Exploit-DB. These exploits and PoCs could contain malware. For more information, see how to use exploits safely.

Risk Information

CVSS V2 Vector [?]: AV:N/AC:L/Au:N/C:P/I:P/A:P/E:F/RL:OF/RC:C
CVSS Base Score:7.5 (High)
Impact Subscore:6.4
Exploitability Subscore:10.0
CVSS Temporal Score:6.2 (Medium)
CVSS Environmental Score:NA (None)
Modified Impact Subscore:NA
Overall CVSS Score:6.2 (Medium)

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Plugin Source

The scada_wincc_default_creds.nbin Nessus plugin is distributed in a propriatory binary format and its source code is protected. This script is Copyright (C) 2010-2022 and is owned by Tenable, Inc. or an Affiliate thereof.

The latest version of this script can be found in these locations depending on your platform:

  • Linux / Unix:
    /opt/nessus/lib/nessus/plugins/scada_wincc_default_creds.nbin
  • Windows:
    C:\ProgramData\Tenable\Nessus\nessus\plugins\scada_wincc_default_creds.nbin
  • Mac OS X:
    /Library/Nessus/run/lib/nessus/plugins/scada_wincc_default_creds.nbin

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How to Run

Here is how to run the Siemens SIMATIC WinCC Default Password Authentication Bypass as a standalone plugin via the Nessus web user interface (https://localhost:8834/):

  1. Click to start a New Scan.
  2. Select Advanced Scan.
  3. Navigate to the Plugins tab.
  4. On the top right corner click to Disable All plugins.
  5. On the left side table select SCADA plugin family.
  6. On the right side table select Siemens SIMATIC WinCC Default Password Authentication Bypass plugin ID 47759.
  7. Specify the target on the Settings tab and click to Save the scan.
  8. Run the scan.

Here are a few examples of how to run the plugin in the command line. Note that the examples below demonstrate the usage on the Linux / Unix platform.

Basic usage:

/opt/nessus/bin/nasl scada_wincc_default_creds.nbin -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a scada_wincc_default_creds.nbin -t <IP/HOST>

Run the plugin with trace script execution written to the console (useful for debugging):

/opt/nessus/bin/nasl -T - scada_wincc_default_creds.nbin -t <IP/HOST>

Run the plugin with using a state file for the target and updating it (useful for running multiple plugins on the target):

/opt/nessus/bin/nasl -K /tmp/state scada_wincc_default_creds.nbin -t <IP/HOST>

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References

BID | SecurityFocus Bugtraq ID: See also: Similar and related Nessus plugins:
  • 63428 - Siemens Automation License Manager Multiple Vulnerabilities
  • 85842 - Siemens SIMATIC S7-1200 PLC < 4.1.3 XSRF
  • 66839 - Siemens Solid Edge SEListCtrlX ActiveX Control SetItemReadOnly Method Memory Address Write Arbitrary Code Execution
  • 66840 - Siemens Solid Edge WPHelper ActiveX Control OpenInEditor Method Arbitrary Command Execution
  • 500424 - Siemens (CVE-2014-0160)
  • 500473 - Siemens (CVE-2014-0224)
  • 500128 - Siemens (CVE-2014-2908)
  • 500045 - Siemens (CVE-2014-5074)
  • 500088 - Siemens (CVE-2015-2177)
  • 500264 - Siemens (CVE-2015-5374)
  • 500035 - Siemens (CVE-2015-5698)
  • 500121 - Siemens (CVE-2016-8672)
  • 500153 - Siemens (CVE-2016-8673)
  • 500248 - Siemens (CVE-2018-3639)
  • 500055 - Siemens (CVE-2019-10943)
  • 500065 - Siemens (CVE-2019-12255)
  • 500279 - Siemens (CVE-2019-12256)
  • 500067 - Siemens (CVE-2019-12258)
  • 500292 - Siemens (CVE-2019-12260)
  • 500355 - Siemens (CVE-2019-13945)
  • 500484 - Siemens (CVE-2020-15782)
  • 500504 - Siemens (CVE-2021-3449)
  • 500615 - Siemens (CVE-2021-37185)
  • 500614 - Siemens (CVE-2021-37204)
  • 500616 - Siemens (CVE-2021-37205)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file scada_wincc_default_creds.nbin version 1.191. For more plugins, visit the Nessus Plugin Library.

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