Siemens APE1808 Out-of-bounds Write (CVE-2024-21762)

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

include('compat.inc');

if (description)
{
  script_id(505238);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/04/01");

  script_cve_id("CVE-2024-21762");
  script_xref(name:"ICSA", value:"24-074-05");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2024/02/16");
  script_xref(name:"CEA-ID", value:"CEA-2024-0004");

  script_name(english:"Siemens APE1808 Out-of-bounds Write (CVE-2024-21762)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"A out-of-bounds write in Fortinet FortiOS versions 7.4.0 through
7.4.2, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13, 6.4.0 through
6.4.14, 6.2.0 through 6.2.15, 6.0.0 through 6.0.17, FortiProxy
versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.8, 7.0.0 through
7.0.14, 2.0.0 through 2.0.13, 1.2.0 through 1.2.13, 1.1.0 through
1.1.6, 1.0.0 through 1.0.7 allows attacker to execute unauthorized
code or commands via specifically crafted requests

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-770770.html");
  script_set_attribute(attribute:"see_also", value:"https://www.cisa.gov/news-events/ics-advisories/icsa-24-074-05");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  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:F/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:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2024-21762");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploit_framework_core", value:"true");
  script_cwe_id(787);

  script_set_attribute(attribute:"vuln_publication_date", value:"2024/02/08");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/02/11");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/03/23");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_ape1808_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:ruggedcom_ape1808_firmware" :
        {"versionEndExcluding" : "7.4.7", "family" : "APE1808"}
};

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