Republished vendor advisory. This CISA CSAF advisory was converted from Siemens ProductCERT's CSAF advisory.
General 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
Additional Resources: For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories
Credit: Siemens ProductCERT
From CISA's machine-readable CSAF 2.0 advisory (JSON).
| CVE | Weakness | CVSS v3 | Details |
|---|---|---|---|
| CVE-2024-0218 | CWE-20 Improper Input Validation | 7.5 High |
CVE-2024-0218 A Denial of Service (Dos) vulnerability in Nozomi Networks Guardian, caused by improper input validation in certain fields used in the Radius parsing functionality of our IDS, allows an unauthenticated attacker sending specially crafted malformed network packets to cause the IDS module to stop updating nodes, links, and assets. Network traffic may not be analyzed until the IDS module is restarted. Vendor fix: Upgrade Nozomi Guardian / CMC to V23.4.1. Contact customer support to receive patch and update information. Affected, fixed & timelineAffected:
|
| CVE-2023-6916 | CWE-522 Insufficiently Protected Credentials | 7.2 High |
CVE-2023-6916 Audit records for OpenAPI requests may include sensitive information. This could lead to unauthorized accesses and privilege escalation. Mitigation: Create specific users for OpenAPI usage, with minimal permissions. Limit API keys to allowed IP addresses. Regenerate existing API keys periodically and to review sign-ins via API keys in the audit records Vendor fix: Upgrade Nozomi Guardian / CMC to V23.4.1. Contact customer support to receive patch and update information. Affected, fixed & timelineAffected:
|
Scores and weakness types are as CISA or the republishing vendor stated them in this advisory; the linked CVE pages carry the independently enriched CVSS and SSVC assessments.
No coverage found in monitored research blogs or news feeds.
| CVE | CVSS | Affected |
|---|---|---|
| CVE-2024-0218 | 7.5 High | Nozomi Networks Guardian A Denial of Service (Dos) vulnerability in Nozomi Networks Guardian, caused by improper input validation in certain fields used in the Radius parsing… |
| CVE-2023-6916 | 7.2 High | Nozomi Networks Guardian Audit records for OpenAPI requests may include sensitive information. This could lead to unauthorized accesses and privilege escalation. |
Named by the advisory itself. Each CVE links to its tracked detail page.
Each vendor links to its Known Exploited Vulnerabilities catalog page. Only vendors that appear in the KEV catalog are listed, either because the publication cites one of their KEV entries or because it names them directly.