Esri Portal for ArcGIS 11.1 / 11.3 / 11.5 / 12.0 / 12.1 < Security 2026 Update 4 Multiple Vulnerabilities

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

include('compat.inc');

if (description)
{
  script_id(366549);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/10/19");

  script_cve_id("CVE-2026-69227", "CVE-2026-69226", "CVE-2026-10759");

  script_name(english:"Esri Portal for ArcGIS 11.1 / 11.3 / 11.5 / 12.0 / 12.1 < Security 2026 Update 4 Multiple Vulnerabilities");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The version of Esri Portal for ArcGIS installed on the remote host is 11.1, 11.3, 11.5, 12.0, or 12.1 and is missing
the Security 2026 Update 4 Patch. It is, therefore, affected by multiple vulnerabilities:

  - A missing authentication vulnerability exists in Esri Portal for ArcGIS that allows a remote, unauthenticated
    attacker to access certain Portal Administrator API endpoints under specific conditions. (CVE-2026-69227)

  - An incorrect authorization vulnerability exists in Esri Portal for ArcGIS that allows a remote, unauthenticated
    attacker to create new accounts through the sharing endpoint even when self-service account registration is
    disabled (disableSignup=true). (CVE-2026-69226)

  - An LDAP injection vulnerability exists in Esri Portal for ArcGIS that allows a remote, authenticated attacker
    with administrative privileges to supply crafted input that modifies Active Directory or LDAP search queries
    and causes unintended directory operations. (CVE-2026-10759)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  # https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/september-2026-arcgis-security-bulletin
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?468293d1");
  # https://support.esri.com/en-us/patches-updates/2026/portal-for-arcgis-security-2026-update-4-patch
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?1abeb753");
  script_set_attribute(attribute:"solution", value:
"Apply the Security 2026 Update 4 patch for Esri Portal for ArcGIS.");
  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: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-2026-69227");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(90, 306, 863);

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/09/24");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/09/24");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/10/16");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:esri:portal_for_arcgis");
  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("esri_portal_for_arcgis_win_installed.nbin");
  script_require_keys("installed_sw/Esri Portal for ArcGIS");

  exit(0);
}

include('vdf.inc');

# @tvdl-content
var vuln_data = {
  'metadata': {'spec_version': '1.0'},
  'requires': [
    {'scope': 'target', 'match': {'os': 'windows'}}
  ],
  'checks': [
    {
      'product': {'name': 'Esri Portal for ArcGIS', 'type': 'app'},
      'check_algorithm': 'default',
      'requires': [
        {'scope': 'install', 'not_contains': {'Security Patches': 'Security 2026 Update 4'}}
      ],
      'constraints': [
        {'equal': '11.1', 'fixed_display': '11.1 Security 2026 Update 4 Patch'},
        {'equal': '11.3', 'fixed_display': '11.3 Security 2026 Update 4 Patch'},
        {'equal': '11.5', 'fixed_display': '11.5 Security 2026 Update 4 Patch'},
        {'equal': '12.0', 'fixed_display': '12.0 Security 2026 Update 4 Patch'},
        {'equal': '12.1', 'fixed_display': '12.1 Security 2026 Update 4 Patch'}
      ]
    }
  ]
};

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