Advantech ADAM-5550 Weak Encoding For Password (CVE-2024-37187)

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

include('compat.inc');

if (description)
{
  script_id(505218);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/03/10");

  script_cve_id("CVE-2024-37187");
  script_xref(name:"ICSA", value:"24-270-01");

  script_name(english:"Advantech ADAM-5550 Weak Encoding For Password (CVE-2024-37187)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"Advantech ADAM-5550 share user credentials with a low level of
encryption, consisting of base 64 encoding.

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://www.cisa.gov/news-events/ics-advisories/icsa-24-270-01");
  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.

ADAM-5550 is currently being phased out, and Advantech strongly recommends all ADAM-5550 users upgrade to ADAM-5630
firmware version 2.5.2 or higher.");
  script_set_cvss_base_vector("CVSS2#AV:A/AC:L/Au:N/C:C/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:A/AC:L/PR:N/UI:R/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-2024-37187");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(261, 522);

  script_set_attribute(attribute:"vuln_publication_date", value:"2024/09/27");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/09/27");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/03/09");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:advantech:adam-5550_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/Advantech");

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Advantech');

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

var vuln_cpes = {
    "cpe:/o:advantech:adam-5550_firmware:-" :
        {"family" : "ADAM-5000"}
};

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