Detections
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Siemens SCALANCE OS Command Injection (CVE-2023-49691)

medium Tenable OT Security Plugin ID 502208

Synopsis

The remote OT asset is affected by a vulnerability.

Description

An Improper Neutralization of Special Elements used in an OS Command with root privileges vulnerability exists in the handling of the DDNS configuration. This could allow malicious local administrators to issue commands on system level after a successful IP address update.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Siemens has released new versions for several affected products and recommends users update to the latest versions.

For more information, see the associated Siemens security advisory in HTML and CSAF.

See Also

https://cert-portal.siemens.com/productcert/pdf/ssa-602936.pdf

https://www.cisa.gov/news-events/ics-advisories/icsa-24-046-09

https://cert-portal.siemens.com/productcert/html/ssa-180704.html

https://www.cisa.gov/news-events/ics-advisories/icsa-23-348-14

Plugin Details

Severity: Medium

ID: 502208

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 4/15/2024

Updated: 4/18/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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-2023-49691

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 6

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:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:siemens:scalance_sc622-2c_firmware, cpe:/o:siemens:scalance_sc626-2c_firmware, cpe:/o:siemens:scalance_sc632-2c_firmware, cpe:/o:siemens:scalance_sc636-2c_firmware, cpe:/o:siemens:scalance_sc642-2c_firmware, cpe:/o:siemens:scalance_sc646-2c_firmware, cpe:/o:siemens:scalance_s615_firmware, cpe:/o:siemens:scalance_s615_eec_firmware, cpe:/o:siemens:ruggedcom_rm1224_lte_firmware, cpe:/o:siemens:scalance_m804pb_firmware, cpe:/o:siemens:scalance_m812-1_firmware, cpe:/o:siemens:scalance_m816-1_firmware, cpe:/o:siemens:scalance_m826-2_firmware, cpe:/o:siemens:scalance_m874-2_firmware, cpe:/o:siemens:scalance_m874-3_firmware, cpe:/o:siemens:scalance_m876-3_firmware, cpe:/o:siemens:scalance_m876-4_firmware, cpe:/o:siemens:scalance_mum853-1_firmware, cpe:/o:siemens:scalance_mum856-1_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/13/2024

Vulnerability Publication Date: 2/13/2024

Reference Information

CVE: CVE-2023-49691