Devolutions Server < 2025.1.9.0 Improper Access Control (DEVO-2025-0010)

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

include('compat.inc');

if (description)
{
  script_id(237892);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/01/21");

  script_cve_id("CVE-2025-4433");
  script_xref(name:"IAVB", value:"2025-B-0084-S");

  script_name(english:"Devolutions Server < 2025.1.9.0 Improper Access Control (DEVO-2025-0010)");

  script_set_attribute(attribute:"synopsis", value:
"The Devolutions Server instance installed on the remote host is affected by an improper access control vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Devolutions Server installed on the remote host is prior to 2025.1.9.0 and is, therefore,
affected by an improper access control vulnerability allowing a non-administrative user with both User Management and 
User Group Management permissions to perform privilege escalation by adding users to groups with 
administrative privileges.

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://devolutions.net/security/advisories/DEVO-2025-0010");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Devolutions Server version 2025.1.9.0 or later.");
  script_set_attribute(attribute:"agent", value:"windows");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-4433");

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/05/30");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/05/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/06/06");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"x-cpe:/a:devolutions:remote_server");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2025-2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("devolutions_server_win_installed.nbin");
  script_require_keys("installed_sw/Devolutions Server", "SMB/Registry/Enumerated");

  exit(0);
}

include('vdf.inc');

# @tvdl-content
var vuln_data = {
  'metadata': {'spec_version': '1.0'},
  'checks': [
    {
      'product': {'name': 'Devolutions Server', 'type': 'app'},
      'check_algorithm': 'default',
      'constraints' : [
        { 'max_version': '2025.1.7.0', 'fixed_version':'2025.1.9.0' }
      ]
    }
  ]
};

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