Tanium Server 7.6.2.x < 7.6.2.1327 / 7.6.4.x < 7.6.4.2160 / 7.7.3.x < 7.7.3.8231 Improper Access Controls (CVE-2025-15322)

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

include('compat.inc');

if (description)
{
  script_id(298224);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/04/30");

  script_cve_id("CVE-2025-15322");
  script_xref(name:"IAVB", value:"2026-B-0031-S");

  script_name(english:"Tanium Server 7.6.2.x < 7.6.2.1327 / 7.6.4.x < 7.6.4.2160 / 7.7.3.x < 7.7.3.8231 Improper Access Controls (CVE-2025-15322)");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is affected by an improper access controls vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Tanium Server installed on the remote host is 7.6.2.x prior to 7.6.2.1327, 7.6.4.x prior to 7.6.4.2160,
or 7.7.3.x prior to 7.7.3.8231. It is, therefore, affected by an improper access controls vulnerability as referenced in
the TAN-2025-028 advisory.

  - Tanium addressed an improper access controls vulnerability in Tanium Server. (CVE-2025-15322)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://security.tanium.com/TAN-2025-028");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Tanium Server version 7.6.2.1327, 7.6.4.2160, 7.7.3.8231, or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/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:L/PR:L/UI:N/S:U/C:L/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-2025-15322");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/01/30");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/01/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/02/06");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:tanium:tanium_server");
  script_set_attribute(attribute:"stig_severity", value:"II");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

  script_copyright(english:"This script is Copyright (C) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("tanium_server_win_installed.nbin");
  script_require_keys("installed_sw/Tanium Server");

  exit(0);
}

include('vdf.inc');

# @tvdl-content
var vuln_data = {
  'metadata': {'spec_version': '1.0'},
  'requires': [
    {'scope': 'target', 'match': {'os': 'windows'}}
  ],
  'checks': [
    {
      'product': {'name': 'Tanium Server', 'type': 'app'},
      'check_algorithm': 'default',
      'constraints': [
        {'min_version': '7.6.2.0', 'fixed_version': '7.6.2.1327'},
        {'min_version': '7.6.4.0', 'fixed_version': '7.6.4.2160'},
        {'min_version': '7.7.3.0', 'fixed_version': '7.7.3.8231'}
      ]
    }
  ]
};

var vdf_result = vdf::check_and_report(vuln_data:vuln_data, severity:SECURITY_WARNING);
vdf::handle_check_and_report_errors(vdf_result:vdf_result);