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HistoryJun 29, 2023 - 12:00 a.m.

Schneider Electric Modicon Premium, Modicon Quantum, Modicon M340, and Modicon BMXNOR0200 Use of Hard-Coded Credentials (CVE-2018-7241)

2023-06-2900:00:00

www.tenable.com

schneider electric

modicon

hard-coded credentials

vulnerability

tenable.ot

cybersecurity

ics

cve-2018-7241

security notification

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.7 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

71.9%

JSON

Hard coded accounts exist in Schneider Electric’s Modicon Premium, Modicon Quantum, Modicon M340, and BMXNOR0200 controllers in all versions of the communication modules.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(501210);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/04");

  script_cve_id("CVE-2018-7241");

  script_name(english:"Schneider Electric Modicon Premium, Modicon Quantum, Modicon M340, and Modicon BMXNOR0200 Use of Hard-Coded Credentials (CVE-2018-7241)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"Hard coded accounts exist in Schneider Electric's Modicon Premium,
Modicon Quantum, Modicon M340, and BMXNOR0200 controllers in all
versions of the communication modules.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  script_set_attribute(attribute:"see_also", value:"http://www.securityfocus.com/bid/103542");
  script_set_attribute(attribute:"see_also", value:"https://ics-cert.us-cert.gov/advisories/ICSA-18-086-01");
  # https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2018-081-01
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?9f9c4015");
  script_set_attribute(attribute:"solution", value:
"The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original
can be found at CISA.gov.

Schneider Electric recommends that users follow the instructions outlined in the Modicon Controllers Platform - Cyber
Security, Reference Manual to install Modicon PLCs securely.

Schneider Electric also recommends that affected users disable FTP services on the device during times when maintenance
or configuration activities are not needed.

For more information please see Schneider Electricâs security notification SEVD-2018-081-01 at:

https://www.schneider-electric.com/en/download/document/SEVD-2018-081-01/");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-7241");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_cwe_id(798);

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/04/18");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/04/18");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/06/29");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:140cpu31110_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:140cpu31110c_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:140cpu43412u_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:140cpu43412uc_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:140cpu65150_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:140cpu65150c_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:140cpu65160_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:140cpu65160c_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:140cpu65160s_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:140cpu65260_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:140cpu65260c_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:140cpu65860_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:140cpu65860c_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:bmxnor0200_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:bmxnor0200h_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:bmxp341000_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:bmxp341000h_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:bmxp342000_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:bmxp3420102_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:bmxp3420102cl_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:bmxp342020_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:bmxp342020h_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:bmxp3420302_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:bmxp3420302cl_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:bmxp3420302h_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxh5724m_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxh5724mc_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxh5744m_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxh5744mc_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp57104m_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp57104mc_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp57154m_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp57154mc_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp571634m_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp571634mc_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp57204m_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp57204mc_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp57254m_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp57254mc_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp572634m_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp572634mc_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp57304m_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp57304mc_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp57354m_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp57354mc_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp573634m_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp573634mc_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp57454m_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp57454mc_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp574634m_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp574634mc_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp57554m_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp57554mc_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp575634m_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp575634mc_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp576634m_firmware:-");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:tsxp576634mc_firmware:-");
  script_set_attribute(attribute:"generated_plugin", value:"former");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Tenable.ot");

  script_copyright(english:"This script is Copyright (C) 2023-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("tenable_ot_api_integration.nasl");
  script_require_keys("Tenable.ot/Schneider");

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Schneider');

var asset = tenable_ot::assets::get(vendor:'Schneider');

var vuln_cpes = {
    "cpe:/o:schneider-electric:bmxnor0200_firmware:-" :
        {"family" : "ModiconM340M580CP"},
    "cpe:/o:schneider-electric:bmxnor0200h_firmware:-" :
        {"versionEndExcluding" : "1.7", "family" : "ModiconM340M580CP"},
    "cpe:/o:schneider-electric:140cpu65150_firmware:-" :
        {"family" : "QuantumUnity"},
    "cpe:/o:schneider-electric:140cpu31110_firmware:-" :
        {"family" : "QuantumUnity"},
    "cpe:/o:schneider-electric:140cpu43412u_firmware:-" :
        {"family" : "QuantumUnity"},
    "cpe:/o:schneider-electric:140cpu65160_firmware:-" :
        {"family" : "QuantumUnity"},
    "cpe:/o:schneider-electric:140cpu65260_firmware:-" :
        {"family" : "QuantumUnity"},
    "cpe:/o:schneider-electric:140cpu65860_firmware:-" :
        {"family" : "QuantumUnity"},
    "cpe:/o:schneider-electric:140cpu65160s_firmware:-" :
        {"family" : "QuantumUnity"},
    "cpe:/o:schneider-electric:140cpu65150c_firmware:-" :
        {"family" : "QuantumUnity"},
    "cpe:/o:schneider-electric:140cpu31110c_firmware:-" :
        {"family" : "QuantumUnity"},
    "cpe:/o:schneider-electric:140cpu43412uc_firmware:-" :
        {"family" : "QuantumUnity"},
    "cpe:/o:schneider-electric:140cpu65160c_firmware:-" :
        {"family" : "QuantumUnity"},
    "cpe:/o:schneider-electric:140cpu65260c_firmware:-" :
        {"family" : "QuantumUnity"},
    "cpe:/o:schneider-electric:140cpu65860c_firmware:-" :
        {"family" : "QuantumUnity"},
    "cpe:/o:schneider-electric:bmxp341000_firmware:-" :
        {"versionEndIncluding" : "3.40", "family" : "ModiconM340"},
    "cpe:/o:schneider-electric:bmxp342000_firmware:-" :
        {"versionEndIncluding" : "3.40", "family" : "ModiconM340"},
    "cpe:/o:schneider-electric:bmxp3420102_firmware:-" :
        {"versionEndIncluding" : "3.40", "family" : "ModiconM340"},
    "cpe:/o:schneider-electric:bmxp3420102cl_firmware:-" :
        {"versionEndIncluding" : "3.40", "family" : "ModiconM340"},
    "cpe:/o:schneider-electric:bmxp342020_firmware:-" :
        {"versionEndIncluding" : "3.40", "family" : "ModiconM340"},
    "cpe:/o:schneider-electric:bmxp3420302_firmware:-" :
        {"versionEndIncluding" : "3.40", "family" : "ModiconM340"},
    "cpe:/o:schneider-electric:bmxp3420302cl_firmware:-" :
        {"versionEndIncluding" : "3.40", "family" : "ModiconM340"},
    "cpe:/o:schneider-electric:bmxp3420302h_firmware:-" :
        {"versionEndIncluding" : "3.40", "family" : "ModiconM340"},
    "cpe:/o:schneider-electric:bmxp342020h_firmware:-" :
        {"versionEndIncluding" : "3.40", "family" : "ModiconM340"},
    "cpe:/o:schneider-electric:bmxp341000h_firmware:-" :
        {"versionEndIncluding" : "3.40", "family" : "ModiconM340"},
    "cpe:/o:schneider-electric:bmxp341000_firmware:3.50" :
        {"versionStartIncluding" : "3.50","versionEndIncluding" : "3.50", "family" : "ModiconM340"},
    "cpe:/o:schneider-electric:bmxp342000_firmware:3.50" :
        {"versionStartIncluding" : "3.50","versionEndIncluding" : "3.50", "family" : "ModiconM340"},
    "cpe:/o:schneider-electric:bmxp3420102_firmware:3.50" :
        {"versionStartIncluding" : "3.50","versionEndIncluding" : "3.50", "family" : "ModiconM340"},
    "cpe:/o:schneider-electric:bmxp3420102cl_firmware:3.50" :
        {"versionStartIncluding" : "3.50","versionEndIncluding" : "3.50", "family" : "ModiconM340"},
    "cpe:/o:schneider-electric:bmxp342020_firmware:3.50" :
        {"versionStartIncluding" : "3.50","versionEndIncluding" : "3.50", "family" : "ModiconM340"},
    "cpe:/o:schneider-electric:bmxp3420302_firmware:3.50" :
        {"versionStartIncluding" : "3.50","versionEndIncluding" : "3.50", "family" : "ModiconM340"},
    "cpe:/o:schneider-electric:bmxp3420302cl_firmware:3.50" :
        {"versionStartIncluding" : "3.50","versionEndIncluding" : "3.50", "family" : "ModiconM340"},
    "cpe:/o:schneider-electric:bmxp3420302h_firmware:3.50" :
        {"versionStartIncluding" : "3.50","versionEndIncluding" : "3.50", "family" : "ModiconM340"},
    "cpe:/o:schneider-electric:bmxp342020h_firmware:3.50" :
        {"versionStartIncluding" : "3.50","versionEndIncluding" : "3.50", "family" : "ModiconM340"},
    "cpe:/o:schneider-electric:bmxp341000h_firmware:3.50" :
        {"versionStartIncluding" : "3.50","versionEndIncluding" : "3.50", "family" : "ModiconM340"},
    "cpe:/o:schneider-electric:tsxh5724m_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxh5744m_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp57104m_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp57154m_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp571634m_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp57204m_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp57254m_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp572634m_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp57304m_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp57354m_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp573634m_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp57454m_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp574634m_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp575634m_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp576634m_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxh5724mc_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxh5744mc_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp57104mc_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp57154mc_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp571634mc_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp57204mc_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp57254mc_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp572634mc_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp57304mc_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp57354mc_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp573634mc_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp57454mc_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp574634mc_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp57554mc_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp575634mc_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp576634mc_firmware:-" :
        {"family" : "Premium"},
    "cpe:/o:schneider-electric:tsxp57554m_firmware:-" :
        {"family" : "Premium"}
};

tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_HOLE);

VendorProductVersionCPE
schneider-electric140cpu31110_firmware-cpe:/o:schneider-electric:140cpu31110_firmware:-
schneider-electric140cpu31110c_firmware-cpe:/o:schneider-electric:140cpu31110c_firmware:-
schneider-electric140cpu43412u_firmware-cpe:/o:schneider-electric:140cpu43412u_firmware:-
schneider-electric140cpu43412uc_firmware-cpe:/o:schneider-electric:140cpu43412uc_firmware:-
schneider-electric140cpu65150_firmware-cpe:/o:schneider-electric:140cpu65150_firmware:-
schneider-electric140cpu65150c_firmware-cpe:/o:schneider-electric:140cpu65150c_firmware:-
schneider-electric140cpu65160_firmware-cpe:/o:schneider-electric:140cpu65160_firmware:-
schneider-electric140cpu65160c_firmware-cpe:/o:schneider-electric:140cpu65160c_firmware:-
schneider-electric140cpu65160s_firmware-cpe:/o:schneider-electric:140cpu65160s_firmware:-
schneider-electric140cpu65260_firmware-cpe:/o:schneider-electric:140cpu65260_firmware:-

Vendor	Product	Version	CPE
schneider-electric	140cpu31110_firmware	-	cpe:/o:schneider-electric:140cpu31110_firmware:-
schneider-electric	140cpu31110c_firmware	-	cpe:/o:schneider-electric:140cpu31110c_firmware:-
schneider-electric	140cpu43412u_firmware	-	cpe:/o:schneider-electric:140cpu43412u_firmware:-
schneider-electric	140cpu43412uc_firmware	-	cpe:/o:schneider-electric:140cpu43412uc_firmware:-
schneider-electric	140cpu65150_firmware	-	cpe:/o:schneider-electric:140cpu65150_firmware:-
schneider-electric	140cpu65150c_firmware	-	cpe:/o:schneider-electric:140cpu65150c_firmware:-
schneider-electric	140cpu65160_firmware	-	cpe:/o:schneider-electric:140cpu65160_firmware:-
schneider-electric	140cpu65160c_firmware	-	cpe:/o:schneider-electric:140cpu65160c_firmware:-
schneider-electric	140cpu65160s_firmware	-	cpe:/o:schneider-electric:140cpu65160s_firmware:-
schneider-electric	140cpu65260_firmware	-	cpe:/o:schneider-electric:140cpu65260_firmware:-

Rows per page:

1-10 of 571

References

cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7241

www.nessus.org/u?9f9c4015

www.securityfocus.com/bid/103542

ics-cert.us-cert.gov/advisories/ICSA-18-086-01

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.7 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

71.9%

JSON

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