Detections
Analytics

Siemens SCALANCE and RUGGEDCOM M-800/S615 Family Improper Neutralization of Special Elements Used in an OS Command (CVE-2023-49692)

medium Tenable OT Security Plugin ID 501877

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (All versions < V7.2.2), RUGGEDCOM RM1224 LTE(4G) NAM (All versions < V7.2.2), SCALANCE M804PB (All versions < V7.2.2), SCALANCE M812-1 ADSL-Router (Annex A) (All versions < V7.2.2), SCALANCE M812-1 ADSL- Router (Annex B) (All versions < V7.2.2), SCALANCE M816-1 ADSL-Router (Annex A) (All versions < V7.2.2), SCALANCE M816-1 ADSL-Router (Annex B) (All versions < V7.2.2), SCALANCE M826-2 SHDSL-Router (All versions < V7.2.2), SCALANCE M874-2 (All versions < V7.2.2), SCALANCE M874-3 (All versions < V7.2.2), SCALANCE M876-3 (EVDO) (All versions < V7.2.2), SCALANCE M876-3 (ROK) (All versions < V7.2.2), SCALANCE M876-4 (All versions < V7.2.2), SCALANCE M876-4 (EU) (All versions < V7.2.2), SCALANCE M876-4 (NAM) (All versions < V7.2.2), SCALANCE MUM853-1 (EU) (All versions < V7.2.2), SCALANCE MUM856-1 (EU) (All versions < V7.2.2), SCALANCE MUM856-1 (RoW) (All versions < V7.2.2), SCALANCE S615 (All versions < V7.2.2), SCALANCE S615 EEC (All versions < V7.2.2). An Improper Neutralization of Special Elements used in an OS Command with root privileges vulnerability exists in the parsing of the IPSEC configuration. This could allow malicious local administrators to issue commands on system level after a new connection is established.

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:

- Update to V7.2.2 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-068047 in HTML and CSAF.

See Also

https://cert-portal.siemens.com/productcert/pdf/ssa-068047.pdf

https://www.cisa.gov/news-events/ics-advisories/icsa-23-348-13

Plugin Details

Severity: Medium

ID: 501877

File Name: tenable_ot_siemens_CVE-2023-49692.nasl

Version: 1.4

Type: remote

Family: Tenable.ot

Published: 1/11/2024

Updated: 2/14/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

Vector: CVSS2#AV:L/AC:L/Au:M/C:C/I:C/A:C

CVSS Score Source: CVE-2023-49692

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

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

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

Vulnerability Information

CPE: cpe:/o:siemens:scalance_mum856-1_firmware, cpe:/o:siemens:scalance_m874-3_firmware, cpe:/o:siemens:ruggedcom_rm1224_lte_firmware, cpe:/o:siemens:scalance_sc646-2c_firmware, cpe:/o:siemens:scalance_m816-1_firmware, cpe:/o:siemens:scalance_sc632-2c_firmware, cpe:/o:siemens:scalance_s615_eec_firmware, cpe:/o:siemens:scalance_sc642-2c_firmware, cpe:/o:siemens:scalance_sc622-2c_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_s615_firmware, cpe:/o:siemens:scalance_sc626-2c_firmware, cpe:/o:siemens:scalance_m812-1_firmware, cpe:/o:siemens:scalance_sc636-2c_firmware, cpe:/o:siemens:scalance_m826-2_firmware, cpe:/o:siemens:scalance_mum853-1_firmware, cpe:/o:siemens:scalance_m804pb_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 12/12/2023

Vulnerability Publication Date: 12/12/2023

Reference Information

CVE: CVE-2023-49692

CWE: 78