Moxa PT-7528 and PT-7828 Series Weak Password Requirements (CVE-2020-6995)

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

include('compat.inc');

if (description)
{
  script_id(501541);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/08/03");

  script_cve_id("CVE-2020-6995");

  script_name(english:"Moxa PT-7528 and PT-7828 Series Weak Password Requirements (CVE-2020-6995)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"In Moxa PT-7528 series firmware, Version 4.0 or lower, and PT-7828
series firmware, Version 3.9 or lower, the application utilizes weak
password requirements, which may allow an attacker to gain
unauthorized access.

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.us-cert.gov/ics/advisories/icsa-20-056-03");
  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:P/A:P");
  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-2020-6995");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(521);

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/03/24");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/03/24");
  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:pt-7528-12msc-12tx-4gsfp-hv-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-12msc-12tx-4gsfp-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-12msc-12tx-4gsfp-wv-wv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-12msc-12tx-4gsfp-wv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-12mst-12tx-4gsfp-hv-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-12mst-12tx-4gsfp-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-12mst-12tx-4gsfp-wv-wv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-12mst-12tx-4gsfp-wv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-16msc-8tx-4gsfp-hv-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-16msc-8tx-4gsfp-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-16msc-8tx-4gsfp-wv-wv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-16msc-8tx-4gsfp-wv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-16mst-8tx-4gsfp-hv-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-16mst-8tx-4gsfp-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-16mst-8tx-4gsfp-wv-wv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-16mst-8tx-4gsfp-wv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-20msc-4tx-4gsfp-hv-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-20msc-4tx-4gsfp-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-20msc-4tx-4gsfp-wv-wv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-20msc-4tx-4gsfp-wv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-20mst-4tx-4gsfp-hv-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-20mst-4tx-4gsfp-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-20mst-4tx-4gsfp-wv-wv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-20mst-4tx-4gsfp-wv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-24tx-hv-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-24tx-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-24tx-wv-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-24tx-wv-wv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-24tx-wv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-8msc-16tx-4gsfp-hv-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-8msc-16tx-4gsfp-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-8msc-16tx-4gsfp-wv-wv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-8msc-16tx-4gsfp-wv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-8mst-16tx-4gsfp-hv-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-8mst-16tx-4gsfp-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-8mst-16tx-4gsfp-wv-wv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-8mst-16tx-4gsfp-wv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-8ssc-16tx-4gsfp-hv-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7528-8ssc-16tx-4gsfp-wv-wv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-f-24-24_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-f-24-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-f-24_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-f-48-48_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-f-48-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-f-48_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-f-hv-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-f-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-r-24-24_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-r-24-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-r-24_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-r-48-48_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-r-48-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-r-48_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-r-hv-hv_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:moxa:pt-7828-r-hv_firmware");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Tenable.ot");

  script_copyright(english:"This script is Copyright (C) 2023 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:pt-7528-24tx-hv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-24tx-hv-hv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-24tx-wv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-24tx-wv-hv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-24tx-wv-wv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-12msc-12tx-4gsfp-hv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-12msc-12tx-4gsfp-hv-hv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-12msc-12tx-4gsfp-wv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-12msc-12tx-4gsfp-wv-wv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-12mst-12tx-4gsfp-hv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-12mst-12tx-4gsfp-hv-hv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-12mst-12tx-4gsfp-wv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-12mst-12tx-4gsfp-wv-wv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-16msc-8tx-4gsfp-hv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-16msc-8tx-4gsfp-hv-hv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-16msc-8tx-4gsfp-wv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-16msc-8tx-4gsfp-wv-wv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-16mst-8tx-4gsfp-hv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-16mst-8tx-4gsfp-hv-hv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-16mst-8tx-4gsfp-wv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-16mst-8tx-4gsfp-wv-wv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-20msc-4tx-4gsfp-hv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-20msc-4tx-4gsfp-hv-hv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-20msc-4tx-4gsfp-wv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-20msc-4tx-4gsfp-wv-wv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-20mst-4tx-4gsfp-hv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-20mst-4tx-4gsfp-hv-hv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-20mst-4tx-4gsfp-wv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-20mst-4tx-4gsfp-wv-wv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-8msc-16tx-4gsfp-hv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-8msc-16tx-4gsfp-hv-hv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-8msc-16tx-4gsfp-wv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-8msc-16tx-4gsfp-wv-wv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-8mst-16tx-4gsfp-hv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-8mst-16tx-4gsfp-hv-hv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-8mst-16tx-4gsfp-wv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-8mst-16tx-4gsfp-wv-wv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-8ssc-16tx-4gsfp-hv-hv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7528-8ssc-16tx-4gsfp-wv-wv_firmware" :
        {"versionEndIncluding" : "4.0", "family" : "PT"},
    "cpe:/o:moxa:pt-7828-f-24_firmware" :
        {"versionEndIncluding" : "3.9", "family" : "PT"},
    "cpe:/o:moxa:pt-7828-f-24-24_firmware" :
        {"versionEndIncluding" : "3.9", "family" : "PT"},
    "cpe:/o:moxa:pt-7828-f-24-hv_firmware" :
        {"versionEndIncluding" : "3.9", "family" : "PT"},
    "cpe:/o:moxa:pt-7828-f-48_firmware" :
        {"versionEndIncluding" : "3.9", "family" : "PT"},
    "cpe:/o:moxa:pt-7828-f-48-48_firmware" :
        {"versionEndIncluding" : "3.9", "family" : "PT"},
    "cpe:/o:moxa:pt-7828-f-48-hv_firmware" :
        {"versionEndIncluding" : "3.9", "family" : "PT"},
    "cpe:/o:moxa:pt-7828-f-hv_firmware" :
        {"versionEndIncluding" : "3.9", "family" : "PT"},
    "cpe:/o:moxa:pt-7828-f-hv-hv_firmware" :
        {"versionEndIncluding" : "3.9", "family" : "PT"},
    "cpe:/o:moxa:pt-7828-r-24_firmware" :
        {"versionEndIncluding" : "3.9", "family" : "PT"},
    "cpe:/o:moxa:pt-7828-r-24-24_firmware" :
        {"versionEndIncluding" : "3.9", "family" : "PT"},
    "cpe:/o:moxa:pt-7828-r-24-hv_firmware" :
        {"versionEndIncluding" : "3.9", "family" : "PT"},
    "cpe:/o:moxa:pt-7828-r-48_firmware" :
        {"versionEndIncluding" : "3.9", "family" : "PT"},
    "cpe:/o:moxa:pt-7828-r-48-48_firmware" :
        {"versionEndIncluding" : "3.9", "family" : "PT"},
    "cpe:/o:moxa:pt-7828-r-48-hv_firmware" :
        {"versionEndIncluding" : "3.9", "family" : "PT"},
    "cpe:/o:moxa:pt-7828-r-hv_firmware" :
        {"versionEndIncluding" : "3.9", "family" : "PT"},
    "cpe:/o:moxa:pt-7828-r-hv-hv_firmware" :
        {"versionEndIncluding" : "3.9", "family" : "PT"}
};

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