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

high Tenable OT Security Plugin ID 504901

Synopsis

The remote OT asset is affected by a vulnerability.

Description

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.

Solution

Refer to the vendor advisory.

See Also

https://cert-portal.siemens.com/productcert/html/ssa-202008.html

https://support.industry.siemens.com/cs/ww/en/view/109997648/

Plugin Details

Severity: High

ID: 504901

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 1/9/2026

Updated: 1/9/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v3

Risk Factor: High

Base Score: 7.4

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H

Vulnerability Information

CPE: cpe:/o:siemens:ruggedcom_rox_rx1400_firmware, cpe:/o:siemens:ruggedcom_rox_rx5000_firmware, cpe:/o:siemens:ruggedcom_rox_rx1501_firmware, cpe:/o:siemens:ruggedcom_rox_rx1500_firmware, cpe:/o:siemens:ruggedcom_rox_rx1512_firmware, cpe:/o:siemens:ruggedcom_rox_mx5000_firmware, cpe:/o:siemens:ruggedcom_rox_mx5000re_firmware, cpe:/o:siemens:ruggedcom_rox_rx1536_firmware, cpe:/o:siemens:ruggedcom_rox_rx1524_firmware, cpe:/o:siemens:ruggedcom_rox_rx1510_firmware, cpe:/o:siemens:ruggedcom_rox_rx1511_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 12/9/2025

Vulnerability Publication Date: 12/9/2025

Reference Information

CVE: CVE-2024-0397

CWE: 362