Siemens SCALANCE and RUGGEDCOM Devices Improper Input Validation (CVE-2024-46676)

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

include('compat.inc');

if (description)
{
  script_id(504719);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/03/13");

  script_cve_id("CVE-2024-46676");
  script_xref(name:"ICSA", value:"25-226-07");

  script_name(english:"Siemens SCALANCE and RUGGEDCOM Devices Improper Input Validation (CVE-2024-46676)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"nfc: pn533: Add poll mod list filling check. In case of im_protocols
value is 1 and tm_protocols value is 0 this combination successfully
passes the check 'if (!im_protocols && !tm_protocols)' in the
nfc_start_poll(). But then after pn533_poll_create_mod_list() call in
pn533_start_poll() poll mod list will remain empty and
dev->poll_mod_count will remain 0 which lead to division by zero.

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://cert-portal.siemens.com/productcert/html/ssa-355557.html");
  script_set_attribute(attribute:"see_also", value:"https://support.industry.siemens.com/cs/ww/en/view/109988839/");
  script_set_attribute(attribute:"see_also", value:"https://www.cisa.gov/news-events/ics-advisories/ICSA-25-226-07");
  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.

Siemens has identified the following specific workarounds and mitigations users can apply to reduce risk:

- All affected products: Update to V3.2 or later version

As a general security measure, Siemens recommends protecting network access to devices with appropriate mechanisms. To
operate the devices in a protected IT environment, Siemens recommends configuring the environment according to Siemens'
operational guidelines for industrial security and following recommendations in the product manuals.

Additional information on industrial security by Siemens can be found on the Siemens industrial security webpage

For more information see the associated Siemens security advisory SSA-355557 in HTML and CSAF.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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-2024-46676");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(20);

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/08/12");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/08/12");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/11/18");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rst2428p_firmware:3.2");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xc-300_series_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xr-300_series_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xc-400_series_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xr-500wg_series_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xr-500_series_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xcm-300_series_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xrm-300_series_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xch-300_series_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:scalance_xrh-300_series_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) 2025-2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Siemens');

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

var vuln_cpes = {
    "cpe:/o:siemens:ruggedcom_rst2428p_firmware:3.2" :
        {"versionEndExcluding" : "3.2", "family" : "RuggedCom", "orderNumbers" : ['6GK6242-6PA00']},
    "cpe:/o:siemens:scalance_xc-300_series_firmware" :
        {"versionEndExcluding" : "3.2", "family" : "SCALANCEX300"},
    "cpe:/o:siemens:scalance_xr-300_series_firmware" :
        {"versionEndExcluding" : "3.2", "family" : "SCALANCEX300"},
    "cpe:/o:siemens:scalance_xc-400_series_firmware" :
        {"versionEndExcluding" : "3.2", "family" : "SCALANCEX400"},
    "cpe:/o:siemens:scalance_xr-500wg_series_firmware" :
        {"versionEndExcluding" : "3.2", "family" : "SCALANCEX500"},
    "cpe:/o:siemens:scalance_xr-500_series_firmware" :
        {"versionEndExcluding" : "3.2", "family" : "SCALANCEX500"},
    "cpe:/o:siemens:scalance_xcm-300_series_firmware" :
        {"versionEndExcluding" : "3.2", "family" : "SCALANCEX300"},
    "cpe:/o:siemens:scalance_xrm-300_series_firmware" :
        {"versionEndExcluding" : "3.2", "family" : "SCALANCEX300"},
    "cpe:/o:siemens:scalance_xch-300_series_firmware" :
        {"versionEndExcluding" : "3.2", "family" : "SCALANCEX300"},
    "cpe:/o:siemens:scalance_xrh-300_series_firmware" :
        {"versionEndExcluding" : "3.2", "family" : "SCALANCEX300"}
};

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