SATO CL4NX Printers Incorrect Authorization (CVE-2023-23594)

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

include('compat.inc');

if (description)
{
  script_id(505335);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/04/27");

  script_cve_id("CVE-2023-23594");

  script_name(english:"SATO CL4NX Printers Incorrect Authorization (CVE-2023-23594)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"An authentication bypass vulnerability in the web client interface for
the CL4NX printer before firmware version 1.13.3-u724_r2 provides
remote unauthenticated attackers with access to execute commands
intended only for valid/authenticated users, such as file uploads and
configuration changes.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  # https://d2n1rly8br52rx.cloudfront.net/content-blocks/files/pages/Vulnerability-Disclosure.pdf
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?4eb4df52");
  script_set_attribute(attribute:"see_also", value:"https://hackandpwn.com/disclosures/CVE-2023-23594.pdf");
  # https://www.satoamerica.com/products/printers/industrial-thermal-printers/cl4nx-plus
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?da97ed91");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  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-2023-23594");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(863);

  script_set_attribute(attribute:"vuln_publication_date", value:"2023/03/31");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/03/31");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/04/23");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:sato-global:cl4nx_plus_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) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/SATO');

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

var vuln_cpes = {
    "cpe:/o:sato-global:cl4nx_plus_firmware" :
        {"versionEndExcluding" : "1.13.3-u724_r2", "family" : "SATOPrinters"}
};

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