Siemens InsydeH2O Plaintext Storage of a Password (CVE-2021-38489)

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

include('compat.inc');

if (description)
{
  script_id(503051);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/03/12");

  script_cve_id("CVE-2021-38489");

  script_name(english:"Siemens InsydeH2O Plaintext Storage of a Password (CVE-2021-38489)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"An issue was discovered in the the HddPasswordPei driver 
of the Insyde InsydeH2O 5.x. HDD password is stored in plaintext.

This plugin only works with Tenable.ot
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  # https://cert-portal.siemens.com/productcert/html/ssa-306654.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?615a232f");
  script_set_attribute(attribute:"see_also", value:"https://www.insyde.com/security-pledge/sa-2022025/");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-38489");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(256);

  script_set_attribute(attribute:"vuln_publication_date", value:"2022/02/21");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/02/21");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/03/12");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:insyde:insydeh2o:5.1");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:insyde:insydeh2o:5.2");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:insyde:insydeh2o:5.3");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:insyde:insydeh2o:5.4");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:insyde:insydeh2o:5.5");
  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) 2025 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Siemens');

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

var vuln_cpes = {
    "cpe:/o:insyde:insydeh2o:5.3" :
        {"versionEndExcluding" : "5.36.03", "versionStartIncluding" : "5.3", "family" : "APE1808"},
    "cpe:/o:insyde:insydeh2o:5.2" :
        {"versionEndExcluding" : "5.27.03", "versionStartIncluding" : "5.2", "family" : "APE1808"},
    "cpe:/o:insyde:insydeh2o:5.1" :
        {"versionEndExcluding" : "5.17.03", "versionStartIncluding" : "5.1", "family" : "APE1808"},
    "cpe:/o:insyde:insydeh2o:5.4" :
        {"versionEndExcluding" : "5.43.51", "versionStartIncluding" : "5.4", "family" : "APE1808"},
    "cpe:/o:insyde:insydeh2o:5.5" :
        {"versionEndExcluding" : "5.51.51", "versionStartIncluding" : "5.5", "family" : "APE1808"}
};

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