Splunk Enterprise 9.2.0 < 9.2.11, 9.3.0 < 9.3.8, 9.4.0 < 9.4.7, 10.0.0 < 10.0.2 (SVD-2026-0209)

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

include('compat.inc');

if (description)
{
  script_id(299408);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/04/30");

  script_cve_id("CVE-2026-20144");
  script_xref(name:"IAVA", value:"2026-A-0172-S");

  script_name(english:"Splunk Enterprise 9.2.0 < 9.2.11, 9.3.0 < 9.3.8, 9.4.0 < 9.4.7, 10.0.0 < 10.0.2 (SVD-2026-0209)");

  script_set_attribute(attribute:"synopsis", value:
"An application running on a remote web server host is affected by a vulnerability");
  script_set_attribute(attribute:"description", value:
"The version of Splunk installed on the remote host is prior to tested version. It is, therefore, affected by a
vulnerability as referenced in the SVD-2026-0209 advisory.

  - In Splunk Enterprise versions below 10.2.0, 10.0.2, 9.4.7, 9.3.8, and 9.2.11, and Splunk Cloud Platform
    versions below 10.2.2510.0, 10.1.2507.11, 10.0.2503.9, and 9.3.2411.120, a user of a Splunk Search Head
    Cluster (SHC) deployment who holds a role with access to the Splunk _internal index could view the
    Security Assertion Markup Language (SAML) configurations for Attribute query requests (AQRs) or
    Authentication extensions in plain text within the conf.log file, depending on which feature is
    configured. For more information, see: Specify searchable indexes for a roleConfigure authentication
    extensions to interface with your SAML identity provider (CVE-2026-20144)

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://advisory.splunk.com/advisories/SVD-2026-0209.html");
  script_set_attribute(attribute:"solution", value:
"Upgrade Splunk Enterprise to versions 10.2.0, 10.0.2, 9.4.7, 9.3.8, 9.2.11, or higher.
Splunk is actively monitoring and patching Splunk Cloud Platform instances.");
  script_set_attribute(attribute:"agent", value:"all");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:M/C:C/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:H/UI:N/S:U/C:H/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-2026-20144");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(532);

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/02/18");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/02/18");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/02/18");

  script_set_attribute(attribute:"potential_vulnerability", value:"true");
  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:splunk:splunk");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"CGI abuses");

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

  script_dependencies("splunkd_detect.nasl", "splunk_web_detect.nasl", "macos_splunk_installed.nbin", "splunk_win_installed.nbin", "splunk_nix_installed.nbin");
  script_require_keys("installed_sw/Splunk", "Settings/ParanoidReport");

  exit(0);
}

include('vcf.inc');
include('vcf_extras_splunk.inc');

if (report_paranoia < 2) audit(AUDIT_PARANOID);

var app_info = vcf::splunk::get_app_info();

var constraints = [
  { 'min_version' : '9.2.0', 'fixed_version' : '9.2.11', 'license' : 'Enterprise' },
  { 'min_version' : '9.3.0', 'fixed_version' : '9.3.8', 'license' : 'Enterprise' },
  { 'min_version' : '9.4.0', 'fixed_version' : '9.4.7', 'license' : 'Enterprise' },
  { 'min_version' : '10.0.0', 'fixed_version' : '10.0.2', 'license' : 'Enterprise' }
];
vcf::splunk::check_version_and_report(
    app_info:app_info,
    constraints:constraints,
    severity:SECURITY_WARNING
);