Wago Multiple Products Missing Authentication for Critical Function (CVE-2022-3738)

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

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(500917);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/21");

  script_cve_id("CVE-2022-3738");

  script_name(english:"Wago Multiple Products Missing Authentication for Critical Function (CVE-2022-3738)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"The vulnerability allows a remote unauthenticated attacker to download
a backup file, if one exists. That backup file might contain sensitive
information like credentials and cryptographic material. A valid user
has to create a backup after the last reboot for this attack to be
successfull.

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.vde.com/en/advisories/VDE-2022-054/");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:H/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:N/AC:H/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-2022-3738");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_cwe_id(306);

  script_set_attribute(attribute:"vuln_publication_date", value:"2023/01/19");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/01/19");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/03/29");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:wago:edge_controller_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:wago:pfc100_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:wago:pfc200_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/Wago");

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Wago');

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

var vuln_cpes = {
    "cpe:/o:wago:pfc100_firmware" :
        {"versionEndIncluding" : "22", "versionStartIncluding" : "16", "family" : "ControllerPFC100"},
    "cpe:/o:wago:pfc200_firmware" :
        {"versionEndIncluding" : "22", "versionStartIncluding" : "16", "family" : "ControllerPFC200"},
    "cpe:/o:wago:edge_controller_firmware" :
        {"versionEndIncluding" : "22", "versionStartIncluding" : "16", "family" : "EdgeController"}
};

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