Detections
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Siemens SIMATIC, SCALANCE and RUGGEDCOM Devices Use of Uninitialized Resource (CVE-2024-50302)
medium Tenable OT Security Plugin ID 503437
Synopsis
The remote OT asset is affected by a vulnerability.Description
In the Linux kernel, the following vulnerability has been resolved:HID: core: zero-initialize the report buffer Since the report buffer is used by all kinds of drivers in various ways, let's zero-initialize it during allocation to make sure that it can't be ever used to leak kernel memory via specially-crafted report.
This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.
Solution
The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original can be found at CISA.gov.Siemens has identified the following specific workarounds and mitigations users can apply to reduce risk:
- All affected products: Update to V3.2 or later version
As a general security measure, Siemens recommends protecting network access to devices with appropriate mechanisms. To operate the devices in a protected IT environment, Siemens recommends configuring the environment according to Siemens' operational guidelines for industrial security and following recommendations in the product manuals.
Additional information on industrial security by Siemens can be found on the Siemens industrial security webpage
For more information see the associated Siemens security advisory SSA-355557 in HTML and CSAF.
See Also
https://cert-portal.siemens.com/productcert/html/ssa-265688.html
https://cert-portal.siemens.com/productcert/html/ssa-355557.html
https://support.industry.siemens.com/cs/ww/en/view/109988839/
https://www.cisa.gov/news-events/ics-advisories/ICSA-25-226-07
Plugin Details
Severity: Medium
ID: 503437
File Name: tenable_ot_siemens_CVE-2024-50302.nasl
Version: 1.4
Type: remote
Family: Tenable.ot
Published: 10/27/2025
Updated: 2/12/2026
Supported Sensors: Tenable OT Security
Risk Information
VPR
Risk Factor: Medium
Score: 5.1
CVSS v2
Risk Factor: Medium
Base Score: 4.6
Temporal Score: 3.8
Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:N/A:N
CVSS Score Source: CVE-2024-50302
CVSS v3
Risk Factor: Medium
Base Score: 5.5
Temporal Score: 5.1
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:siemens:scalance_xrh-300_series_firmware, cpe:/o:siemens:scalance_xc-300_series_firmware, cpe:/o:siemens:scalance_xc-400_series_firmware, cpe:/o:siemens:scalance_xch-300_series_firmware, cpe:/o:siemens:scalance_xrm-300_series_firmware, cpe:/o:siemens:scalance_xcm-300_series_firmware, cpe:/o:siemens:scalance_xr-500_series_firmware, cpe:/o:siemens:ruggedcom_rst2428p_firmware:3.2, cpe:/o:siemens:scalance_xr-500wg_series_firmware, cpe:/o:siemens:simatic_s7-1500_tm_mfp, cpe:/o:siemens:scalance_xr-300_series_firmware
Required KB Items: Tenable.ot/Siemens
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 4/9/2024
Vulnerability Publication Date: 4/9/2024
CISA Known Exploited Vulnerability Due Dates: 3/25/2025
Reference Information
CVE: CVE-2024-50302
CWE: 908
ICSA: 25-226-07