Omron CX-One CX-Programmer, CJ2M and CJ2H PLCs Exposure of Sensitive Information to an Unauthorized Actor (CVE-2015-0987)

#%NASL_MIN_LEVEL 70300
##
# (C) Tenable Network Security, Inc.
##

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(500217);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/12/26");

  script_cve_id("CVE-2015-0987");

  script_name(english:"Omron CX-One CX-Programmer, CJ2M and CJ2H PLCs Exposure of Sensitive Information to an Unauthorized Actor (CVE-2015-0987)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"Omron CX-One CX-Programmer before 9.6, CJ2M PLC devices before 2.1, and CJ2H PLC devices before 1.5 rely on cleartext
password transmission, which allows remote attackers to obtain sensitive information by sniffing the network during a
PLC unlock request.  

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:"https://ics-cert.us-cert.gov/advisories/ICSA-15-274-01");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N");
  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:N/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2015-0987");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(200);

  script_set_attribute(attribute:"vuln_publication_date", value:"2015/10/06");
  script_set_attribute(attribute:"patch_publication_date", value:"2015/10/06");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/02/07");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:omron:cj2h_plc");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:omron:cj2m_plc");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Omron');

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

var vuln_cpes = {
    "cpe:/h:omron:cj2h_plc" :
        {"versionEndIncluding" : "1.4", "family" : "CJ2H"},
    "cpe:/h:omron:cj2m_plc" :
        {"versionEndIncluding" : "2.0", "family" : "CJ2M"}
};

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