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Siemens Ruggedcom ROX Race Condition (CVE-2024-0397)

🗓️ 09 Jan 2026 00:00:00Reported by TenableType 
nessus
 nessus
🔗 www.tenable.com👁 6 Views

Siemens Ruggedcom SSL memory race between cert_store_stats and get_ca_certs during TLS handshake; fixed in recent CPython releases.

Related
Refs
Code
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(504901);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/02/17");

  script_cve_id("CVE-2024-0397");

  script_name(english:"Siemens Ruggedcom ROX Race Condition (CVE-2024-0397)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"A defect was discovered in the Python ssl module where there is a
memory race condition with the ssl.SSLContext methods
cert_store_stats() and get_ca_certs(). The race condition can be
triggered if the methods are called at the same time as certificates
are loaded into the SSLContext, such as during the TLS handshake with
a certificate directory configured. This issue is fixed in CPython
3.10.14, 3.11.9, 3.12.3, and 3.13.0a5.

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-202008.html");
  script_set_attribute(attribute:"see_also", value:"https://support.industry.siemens.com/cs/ww/en/view/109997648/");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2024-0397");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(362);

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/12/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/12/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/01/09");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rox_mx5000_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rox_mx5000re_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rox_rx1400_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rox_rx1500_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rox_rx1501_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rox_rx1510_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rox_rx1511_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rox_rx1512_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rox_rx1524_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rox_rx1536_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rox_rx5000_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_rox_mx5000_firmware" :
        {"versionEndExcluding" : "2.17.0", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rox_mx5000re_firmware" :
        {"versionEndExcluding" : "2.17.0", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rox_rx1400_firmware" :
        {"versionEndExcluding" : "2.17.0", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rox_rx1500_firmware" :
        {"versionEndExcluding" : "2.17.0", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rox_rx1501_firmware" :
        {"versionEndExcluding" : "2.17.0", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rox_rx1510_firmware" :
        {"versionEndExcluding" : "2.17.0", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rox_rx1511_firmware" :
        {"versionEndExcluding" : "2.17.0", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rox_rx1512_firmware" :
        {"versionEndExcluding" : "2.17.0", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rox_rx1524_firmware" :
        {"versionEndExcluding" : "2.17.0", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rox_rx1536_firmware" :
        {"versionEndExcluding" : "2.17.0", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rox_rx5000_firmware" :
        {"versionEndExcluding" : "2.17.0", "family" : "RuggedCom"}
};

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

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17 Feb 2026 00:00Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.17.4
EPSS0.0081
SSVC
6