Qnap QTS and QuTS hero Use of Externally-Controlled Format String (CVE-2024-50396)

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

include('compat.inc');

if (description)
{
  script_id(504833);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/02/24");

  script_cve_id("CVE-2024-50396");

  script_name(english:"Qnap QTS and QuTS hero Use of Externally-Controlled Format String (CVE-2024-50396)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"A use of externally-controlled format string vulnerability has been
reported to affect several QNAP operating system versions. If
exploited, the vulnerability could allow remote attackers to obtain
secret data or modify memory. We have already fixed the vulnerability
in the following versions: QTS 5.2.1.2930 build 20241025 and later
QuTS hero h5.2.1.2929 build 20241025 and later

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.qnap.com/en/security-advisory/qsa-24-43");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  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:R/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:"cvss4_vector", value:"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:U");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2024-50396");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(134);

  script_set_attribute(attribute:"vuln_publication_date", value:"2024/11/22");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/11/22");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/12/11");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:qnap:qts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:qnap:quts_hero");
  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) 2025-2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Qnap');

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

var vuln_cpes = {
    "cpe:/o:qnap:qts" :
        {"versionEndExcluding" : "5.2.1.2930", "versionStartIncluding" : "5.2", "family" : "QTS"},
    "cpe:/o:qnap:quts_hero" :
        {"versionEndExcluding" : "h5.2.1.2929", "versionStartIncluding" : "h5.2", "family" : "QuTShero"}
};

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