Publication Date:
Last Update:
Current Version: V1.1
CVSS v3.1 Base Score: 8.1
Affected Product and Versions Remediation

All versions with Nozomi Guardian / CMC before V22.6.3 or 23.1.0
affected by all CVEs
Upgrade Nozomi Guardian / CMC to V23.4.1. Contact customer support to receive patch and update information.
  • CVE-2023-2567: Use internal firewall features to limit access to the web management interface
  • CVE-2023-32649: It is recommended to monitor the IDS log to check for abnormal stops and restarts

Product-specific remediations or mitigations can be found in the section Affected Products and Solution.
Please follow the General Security Recommendations.

As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-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

Un-/Collapse All

This chapter describes all vulnerabilities (CVE-IDs) addressed in this security advisory. Wherever applicable, it also documents the product-specific impact of the individual vulnerabilities.

CVSS v3.1 Base Score 7.6
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L/E:P/RL:O/RC:C
CWE CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CVSS v3.1 Base Score 8.1
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CWE CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CVSS v3.1 Base Score 7.5
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
CWE CWE-20: Improper Input Validation

Nozomi provides a public RSS feed for their security alerts to which customers can also subscribe [1].

[1] https://security.nozominetworks.com/alerts/

https://www.siemens.com/cert/advisories
V1.0 (2023-11-14): Publication Date
V1.1 (2024-05-14): Added specific product version to remediations