Devolutions Server <= 2024.3.15.0 / 2025.1.3.0 <= 2025.1.7.0 Improper Privilege Assignment (DEVO-2025-0008)

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

include('compat.inc');

if (description)
{
  script_id(237579);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/01/21");

  script_cve_id("CVE-2025-4493");
  script_xref(name:"IAVB", value:"2025-B-0083-S");

  script_name(english:"Devolutions Server <= 2024.3.15.0 / 2025.1.3.0 <= 2025.1.7.0 Improper Privilege Assignment (DEVO-2025-0008)");

  script_set_attribute(attribute:"synopsis", value:
"The Devolutions Server instance installed on the remote host is affected by a improper privilege assignment vulnerabilitiy.");
  script_set_attribute(attribute:"description", value:
"The version of Devolutions Server installed on the remote host is prior or equal to 2024.3.15.0 or 2025.1.3.0 through
2025.1.7.0 and is, therefore, affected by an improper privilege assignment vulnerability:

  - Improper privilege assignment in PAM JIT privilege sets in Devolutions Server allows a PAM user to perform PAM JIT
    requests on unauthorized groups by exploiting a user interface issue. (CVE-2025-4493)

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-2025-0008");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Devolutions Server version 2024.3.15.1 or 2025.1.7.1 or later.");
  script_set_attribute(attribute:"agent", value:"windows");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-4493");

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/05/28");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/05/28");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/05/30");

  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' : [
        { 'fixed_version':'2024.3.15.1' },
        { 'min_version': '2025.1.3.0', 'fixed_version':'2025.1.7.1' }
      ]
    }
  ]
};

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