Siemens SIMATIC HMI Device Detection (HTTP)

# 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("1.3.6.1.4.1.25623.1.0.141683");
  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 14:38:36 +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 (HTTP)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2018 Greenbone AG");
  script_family("Product detection");
  script_dependencies("find_service.nasl", "httpver.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 80);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_tag(name:"summary", value:"HTTP based detection of Siemens SIMATIC HMI devices.");

  exit(0);
}

include("http_func.inc");
include("http_keepalive.inc");
include("port_service_func.inc");

port = http_get_port(default: 80);

url = "/start.html";

res = http_get_cache(port: port, item: url);

if ("Device Status of HMI_Panel" >< res && "Welcome on HMI_Panel" >< res) {
  set_kb_item(name: "siemens/simatic/hmi/detected", value: TRUE);
  set_kb_item(name: "siemens/simatic/hmi/http/detected", value: TRUE);
  set_kb_item(name: "siemens/simatic/hmi/http/port", value: port);
  set_kb_item(name: "siemens/simatic/hmi/http/" + port + "/concludedUrl",
              value: http_report_vuln_url(port: port, url: url, url_only: TRUE));

  # <b>Device Type</b></td><td class=\"sph_td\">TP700 Comfort&nbsp;</td>
  mod = eregmatch(pattern: 'Device Type</b></td><td class="sph_td">([^&;]+)', string: res);
  if (!isnull(mod[1])) {
    set_kb_item(name: "siemens/simatic/hmi/http/" + port + "/model", value: chomp(mod[1]));
    concluded = "    Model:   " + mod[1];
  }

  # Image version</b></td><td class="sph_td">V14.00.01.00_11.01&nbsp;
  # Image version</b></td><td class="sph_td">V17.00.00.06_03.01&nbsp;
  vers = eregmatch(pattern: "Image version<[^<]+<[^<]+[^>]+>V([0-9._]+)", string: res);
  if (!isnull(vers[1])) {
    version = str_replace( string: vers[1], find: "_", replace: ".");
    set_kb_item(name: "siemens/simatic/hmi/http/" + port + "/fw_version", value: version);
    if (concluded)
      concluded += '\n';

    concluded += "    Version: " + vers[1];
  }

  set_kb_item(name: "siemens/simatic/hmi/http/" + port + "/concluded", value: concluded);
}

exit(0);