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Siemens SCALANCE W1700 Concurrent Execution Using Shared Resource with Improper Synchronization (CVE-2022-27481)

medium Tenable OT Security Plugin ID 500975

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A vulnerability has been identified in SCALANCE W1788-1 M12 (All versions < V3.0.0), SCALANCE W1788-2 EEC M12 (All versions < V3.0.0), SCALANCE W1788-2 M12 (All versions < V3.0.0), SCALANCE W1788-2IA M12 (All versions < V3.0.0). Affected devices do not properly handle resources of ARP requests. This could allow an attacker to cause a race condition that leads to a crash of the entire device.

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 recommends installing the following software updates to address these vulnerabilities.

- Update SCALANCE W1788-1 M12 to Version 3.0.0 or later
- Update SCALANCE W1788-2 EEC M12 to Version 3.0.0 or later
- Update SCALANCE W1788-2 M12 to Version 3.0.0 or later
- Update SCALANCE W1788-2IA M12 to Version 3.0.0 or later

As a general security measure, Siemens strongly 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 to follow the recommendations in the product manuals.

Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity

For additional information, please refer to Siemens Security Advisory SSA-392912

See Also

https://cert-portal.siemens.com/productcert/pdf/ssa-392912.pdf

https://www.cisa.gov/news-events/ics-advisories/icsa-22-104-08

Plugin Details

Severity: Medium

ID: 500975

Version: 1.5

Type: remote

Family: Tenable.ot

Published: 4/11/2023

Updated: 4/11/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5.7

Temporal Score: 4.2

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

CVSS Score Source: CVE-2022-27481

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

Vulnerability Information

CPE: cpe:/o:siemens:scalance_w1788-1_m12_firmware, cpe:/o:siemens:scalance_w1788-2_eec_m12_firmware, cpe:/o:siemens:scalance_w1788-2_m12_firmware, cpe:/o:siemens:scalance_w1788-2ia_m12_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 4/12/2022

Vulnerability Publication Date: 4/12/2022

Reference Information

CVE: CVE-2022-27481

CWE: 362