Siemens SIPROTEC 5 Small Space of Random Values (CVE-2024-54017)

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

include('compat.inc');

if (description)
{
  script_id(505477);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/06/21");

  script_cve_id("CVE-2024-54017");

  script_name(english:"Siemens SIPROTEC 5 Small Space of Random Values (CVE-2024-54017)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"Affected devices do not use  sufficiently random values to create
session identifiers. This could allow an unauthenticated remote
attacker to brute force a session identifier and gain read access to
limited  information from the web server without authorization.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  script_set_attribute(attribute:"see_also", value:"https://cert-portal.siemens.com/productcert/html/ssa-786884.html");
  script_set_attribute(attribute:"see_also", value:"https://support.industry.siemens.com/cs/ww/en/view/109757433/");
  script_set_attribute(attribute:"see_also", value:"https://support.industry.siemens.com/cs/ww/en/view/109796884/");
  script_set_attribute(attribute:"see_also", value:"https://support.industry.siemens.com/cs/ww/en/view/109814150/");
  script_set_attribute(attribute:"see_also", value:"https://www.cisa.gov/news-events/ics-advisories/icsa-26-134-13");
  script_set_attribute(attribute:"solution", value:
"The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original
can be found at CISA.gov.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/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:N/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-2024-54017");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(334);

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/05/12");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/05/12");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/06/18");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:siprotec_5_cp300_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:siprotec_5_cp150_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:siprotec_5_cp100_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:siprotec_5_cp050_firmware");
  script_set_attribute(attribute:"generated_plugin", value:"former");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Tenable.ot");

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

  script_dependencies("tenable_ot_api_integration.nasl");
  script_require_keys("Tenable.ot/Siemens");

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Siemens');

var asset = tenable_ot::assets::get(vendor:'Siemens');

var vuln_cpes = {
    "cpe:/o:siemens:siprotec_5_cp300_firmware" :
        {"versionEndExcluding" : "11", "family" : "Siprotec5"},
    "cpe:/o:siemens:siprotec_5_cp150_firmware" :
        {"versionEndExcluding" : "11", "family" : "Siprotec5"},
    "cpe:/o:siemens:siprotec_5_cp100_firmware" :
        {"versionStartIncluding" : "7.80", "family" : "Siprotec5"},
    "cpe:/o:siemens:siprotec_5_cp050_firmware" :
        {"versionEndExcluding" : "11", "family" : "Siprotec5"}
};

tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_WARNING);