Siemens SCALANCE M-800 Family Improper Access Control (CVE-2024-50558)

medium Tenable OT Security Plugin ID 502662

Synopsis

The remote OT asset is affected by a vulnerability.

Description

Affected devices improperly manage access control for read-only users.
This could allow an attacker to cause a temporary denial of service condition.

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 V8.2 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-354112 in HTML and CSAF.

Plugin Details

Severity: Medium

ID: 502662

Version: 1.4

Type: remote

Family: Tenable.ot

Published: 11/13/2024

Updated: 12/12/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 2.2

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS Score Source: CVE-2024-50558

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.8

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:siemens:scalance_mum856-1_%28cn%29_firmware, cpe:/o:siemens:ruggedcom_rm1224_lte%284g%29_nam_firmware, cpe:/o:siemens:scalance_m874-3_firmware, cpe:/o:siemens:scalance_mum856-1_%28a1%29_firmware, cpe:/o:siemens:scalance_mum853-1_%28b1%29_firmware, cpe:/o:siemens:ruggedcom_rm1224_lte%284g%29_eu_firmware, cpe:/o:siemens:scalance_m876-4_%28nam%29_firmware, cpe:/o:siemens:scalance_m812-1_adsl-router_firmware, cpe:/o:siemens:scalance_s615_eec_lan-router_firmware, cpe:/o:siemens:scalance_m874-3_3g-router_%28cn%29_firmware, cpe:/o:siemens:scalance_m826-2_shdsl-router_firmware, cpe:/o:siemens:scalance_mum856-1_%28row%29_firmware, cpe:/o:siemens:scalance_m816-1_adsl-router_firmware, cpe:/o:siemens:scalance_mum856-1_%28b1%29_firmware, cpe:/o:siemens:scalance_m876-3_%28rok%29_firmware, cpe:/o:siemens:scalance_s615_lan-router_firmware, cpe:/o:siemens:scalance_mum853-1_%28eu%29_firmware, cpe:/o:siemens:scalance_m874-2_firmware, cpe:/o:siemens:scalance_m876-3_firmware, cpe:/o:siemens:scalance_m876-4_firmware, cpe:/o:siemens:scalance_m876-4_%28eu%29_firmware, cpe:/o:siemens:scalance_mum856-1_%28eu%29_firmware, cpe:/o:siemens:scalance_mum853-1_%28a1%29_firmware, cpe:/o:siemens:scalance_m804pb_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 11/12/2024

Vulnerability Publication Date: 11/12/2024

Reference Information

CVE: CVE-2024-50558

CWE: 284

ICSA: 24-319-06

Detections

Analytics