Siemens SIMATIC HMI Device Detection Consolidation

# SPDX-FileCopyrightText: 2018 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.141684");
  script_version("2026-06-10T06:59:19+0000");
  script_tag(name:"last_modification", value:"2026-06-10 06:59:19 +0000 (Wed, 10 Jun 2026)");
  script_tag(name:"creation_date", value:"2018-11-14 15:35:48 +0700 (Wed, 14 Nov 2018)");
  script_tag(name:"cvss_base", value:"0.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:N");

  script_tag(name:"qod_type", value:"remote_banner");

  script_name("Siemens SIMATIC HMI Device Detection Consolidation");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("Product detection");
  script_dependencies("gb_simatic_hmi_snmp_detect.nasl", "gb_simatic_hmi_http_detect.nasl");
  script_mandatory_keys("siemens/simatic/hmi/detected");

  script_tag(name:"summary", value:"Consolidation of Siemens SIMATIC HMI device detections.");

  script_xref(name:"URL", value:"https://www.siemens.com/global/en/home/products/automation/simatic-hmi.html");

  exit(0);
}

include("host_details.inc");
include("os_func.inc");

if (!get_kb_item("siemens/simatic/hmi/detected"))
  exit(0);

detected_fw_version = "unknown";
detected_hw_version = "unknown";
detected_model      = "unknown";
location = "/";

foreach source (make_list("http", "snmp")) {

  fw_version_list = get_kb_list("siemens/simatic/hmi/" + source + "/*/fw_version");
  foreach fw_version (fw_version_list) {
    if (fw_version && fw_version != "unknown") {
      detected_fw_version = fw_version;
      set_kb_item(name: "siemens/simatic/hmi/fw_version", value: fw_version);
      break;
    }
  }

  hw_version_list = get_kb_list("siemens/simatic/hmi/" + source + "/*/hw_version");
  foreach hw_version (hw_version_list) {
    if (hw_version && hw_version != "unknown") {
      detected_hw_version = hw_version;
      set_kb_item(name: "siemens/simatic/hmi/hw_version", value: hw_version);
      break;
    }
  }

  model_list = get_kb_list("siemens/simatic/hmi/" + source + "/*/model");
  foreach model (model_list) {
    if (model && model != "unknown") {
      detected_model = chomp(model);
      set_kb_item(name: "siemens/simatic/hmi/model", value: model);
      break;
    }
  }
}

# https://cache.industry.siemens.com/dl/files/300/109481300/att_871072/v5/109481300_Panel_SecurityGuidelines_en.pdf
# Page 9 "Panel operating system"
# Basic Panels
# SIMATIC HMI Basic Panels have an operating system that is configured and created by Siemens.
# Comfort Panels
# SIMATIC HMI Comfort Panels have a "WinCE Embedded" operating system specially configured for SIEMENS.
# nb: If no "Comfort" and "Basic" is included we're assuming Windows CE for now.
if ("Comfort" >< detected_model || "Basic" >!< detected_model) {
  os_name = "Windows CE";
  os_cpe  = "cpe:/o:microsoft:windows_ce";
} else {
  os_name = "Siemens SIMATIC HMI OS";
  os_cpe  = "cpe:/o:siemens:simatic_hmi_os";
}

os_register_and_report(os: os_name, cpe: os_cpe, runs_key: "windows",
                       desc: "Siemens SIMATIC HMI Device Detection Consolidation");

app_name = "Siemens SIMATIC HMI ";
hw_name = "Siemens SIMATIC HMI ";

if (detected_model != "unknown") {
  _detected_model = str_replace(find: " ", string: detected_model, replace: "_" );
  _detected_model = tolower( _detected_model );
  app_name += detected_model + " Firmware";
  app_cpe = "cpe:/a:siemens:simatic_hmi_" + _detected_model + "_firmware";
  hw_name += detected_model;
  hw_cpe = "cpe:/h:siemens:simatic_hmi_" + _detected_model;
} else {
  app_name += " Unknown Model Firmware";
  app_cpe = "cpe:/a:siemens:simatic_hmi_unknown_model_firmware";
  hw_name += " Unknown Model";
  hw_cpe = "cpe:/h:siemens:simatic_hmi_unknown_model";
}

if (detected_fw_version != "unknown")
  app_cpe += ":" + detected_fw_version;

if (detected_hw_version != "unknown")
  hw_cpe += ":" + detected_hw_version;

if (snmp_ports = get_kb_list("siemens/simatic/hmi/snmp/port")) {
  foreach port (snmp_ports) {
    extra += "SNMP on port " + port + '/udp\n';

    concluded = get_kb_item("siemens/simatic/hmi/snmp/" + port + "/concluded");
    if (concluded)
      extra += "  Concluded from SNMP sysDescr OID: " + concluded + '\n';

    register_product(cpe: app_cpe, location: location, port: port, service: "snmp", proto: "udp");
    register_product(cpe: hw_cpe, location: location, port: port, service: "snmp", proto: "udp");
  }
}

if (http_ports = get_kb_list("siemens/simatic/hmi/http/port")) {
  foreach port (http_ports) {
    extra += "HTTP(s) on port " + port + '/tcp\n';

    concluded = get_kb_item("siemens/simatic/hmi/http/" + port + "/concluded");
    if (concluded)
      extra += '  Concluded from version/product identification result:\n' + concluded + '\n';

    conclUrl = get_kb_item("siemens/simatic/hmi/http/" + port + "/concludedUrl");
    if (conclUrl)
      extra += "  Concluded from version/product identification location: " + conclUrl + '\n';

    register_product(cpe: app_cpe, location: location, port: port, service: "www");
    register_product(cpe: hw_cpe, location: location, port: port, service: "www");
  }
}

report  = build_detection_report(app: app_name, version: detected_fw_version,
                                 install: location, cpe: app_cpe);
report += '\n\n';
report += build_detection_report(app: hw_name, version: detected_hw_version,
                                 install: location, cpe: hw_cpe);

if (extra) {
  report += '\n\nDetection methods:\n';
  report += '\n' + chomp(extra);
}

log_message(port: 0, data: report);

exit(0);