Moxa NPort IA5000A Series Cleartext Transmission of Sensitive Information (CVE-2020-27185)

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

include('compat.inc');

if (description)
{
  script_id(501436);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/21");

  script_cve_id("CVE-2020-27185");

  script_name(english:"Moxa NPort IA5000A Series Cleartext Transmission of Sensitive Information (CVE-2020-27185)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"Cleartext transmission of sensitive information via Moxa Service in
NPort IA5000A series serial devices. Successfully exploiting the
vulnerability could enable attackers to read authentication data,
device configuration, and other sensitive data transmitted over Moxa
Service.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  # https://www.moxa.com/en/support/product-support/security-advisory/nport-ia5000a-serial-device-servers-vulnerabilities
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?6bd1d561");
  # https://ics-cert.kaspersky.com/advisories/klcert-advisories/2021/05/11/klcert-20-021%2C
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?8a9e9d5d");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/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:N/AC:L/PR:N/UI:N/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-2020-27185");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(319);

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/05/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/05/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/08/02");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:nport_ia5150a_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:nport_ia5250a_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:nport_ia5450a_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) 2023-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Moxa');

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

var vuln_cpes = {
    "cpe:/o:moxa:nport_ia5150a_firmware" :
        {"versionEndIncluding" : "1.4", "family" : "NPort"},
    "cpe:/o:moxa:nport_ia5250a_firmware" :
        {"versionEndIncluding" : "1.4", "family" : "NPort"},
    "cpe:/o:moxa:nport_ia5450a_firmware" :
        {"versionEndIncluding" : "1.7", "family" : "NPort"}
};

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