Siemens SINEC NMS

Title: Siemens SINEC NMS | CISA

URL Source: https://www.cisa.gov/news-events/ics-advisories/icsa-26-111-03

Markdown Content: # Siemens SINEC NMS | CISA

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| CVSS Version | Base Score | Base Severity | Vector String | | --- | --- | --- | --- | | **CVSS Version**3.1 | **Base Score**7.3 | **Base Severity**HIGH | **Vector String**[CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L](https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L "(opens in a new window)") |

**Siemens SINEC NMS when used with User Management Component (UMC) contains an authentication bypass vulnerability due to insufficient validation of user identity. This could allow an unauthenticated remote attacker to bypass authentication and gain unauthorized access to the application. Siemens has released a new version for SINEC NMS and recommends to update to the latest version.**

| CVSS | Vendor | Equipment | Vulnerabilities | | --- | --- | --- | --- | | **CVSS**v3 7.3 | **Vendor**Siemens | **Equipment**Siemens SINEC NMS | **Vulnerabilities**Improper Verification of Cryptographic Signature |

CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets. Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.

This ICSA is a verbatim republication of Siemens ProductCERT SSA-801704 from a direct conversion of the vendor's Common Security Advisory Framework (CSAF) advisory. This is republished to CISA's website as a means of increasing visibility and is provided "as-is" for informational purposes only. CISA is not responsible for the editorial or technical accuracy of republished advisories and provides no warranties of any kind regarding any information contained within this advisory. Further, CISA does not endorse any commercial product or service.

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ICS Advisory | ICSA-26-111-12

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