Qnap QTS OS Command Injection (CVE-2021-28800)

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

include('compat.inc');

if (description)
{
  script_id(502610);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/10/17");

  script_cve_id("CVE-2021-28800");

  script_name(english:"Qnap QTS OS Command Injection (CVE-2021-28800)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"A command injection vulnerability has been reported to affect QNAP NAS
running legacy versions of QTS. If exploited, this vulnerability
allows attackers to execute arbitrary commands in a compromised
application. This issue affects: QNAP Systems Inc. QTS versions prior
to 4.3.6.1663 Build 20210504; versions prior to 4.3.3.1624 Build
20210416. This issue does not affect: QNAP Systems Inc. QTS 4.5.3.
QNAP Systems Inc. QuTS hero h4.5.3. QNAP Systems Inc. QuTScloud
c4.5.5.

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/zh-tw/security-advisory/qsa-21-28");
  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-2021-28800");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(78);

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/06/24");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/06/24");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/10/16");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:qnap:qts:4.3.6");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:qnap:qts:4.3.3");
  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) 2024 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:4.3.6" :
        {"versionStartIncluding" : "4.3.6", "versionEndExcluding" : "4.3.6.1663", "family" : "QTS"},
    "cpe:/o:qnap:qts:4.3.3" :
        {"versionStartIncluding" : "4.3.3", "versionEndExcluding" : "4.3.3.1624", "family" : "QTS"}
};

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