Siemens Scalance W1750D Improper Input Validation (CVE-2023-45626)

high Tenable OT Security Plugin ID 502206

Synopsis

The remote OT asset is affected by a vulnerability.

Description

An authenticated vulnerability has been identified allowing an attacker to effectively establish highly privileged persistent arbitrary code execution across boot cycles.

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

Solution

Siemens has identified the following specific workarounds and mitigations that customers can apply to reduce the risk:

- CVE-2023-45614, CVE-2023-45615, CVE-2023-45616, CVE-2023-45617, CVE-2023-45618, CVE-2023-45619, CVE-2023-45620, CVE-2023-45621, CVE-2023-45622, CVE-2023-45623, CVE-2023-45624: Enabling cluster-security via the cluster-security command will prevent the vulnerabilities from being exploited
- CVE-2023-45625, CVE-2023-45626, CVE-2023-45627: The CLI and web-based management interfaces should be restricted to a dedicated layer 2 segment/VLAN and/or controlled by firewall policies at layer 3 and above

Product-specific remediations or mitigations can be found in the section Affected Products and Solution of the vendor advisory.

Plugin Details

Severity: High

ID: 502206

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 4/13/2024

Updated: 4/17/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 6.1

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

CVSS Score Source: CVE-2023-45626

CVSS v3

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

Vector: CVSS:3.0/AV:N/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_w1750d_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 11/14/2023

Vulnerability Publication Date: 11/14/2023

Reference Information

CVE: CVE-2023-45626

Detections

Analytics