✕

Rewterz Annual Threat Intelligence Report 2025 - Download Now

Request a Demo
Rewterz

Rewterz Threat Advisory – CVE-2019-13939 – ICS: Siemens Mentor Nucleus Networking Module

November 15, 2019
Rewterz

Rewterz Threat Alert – TA2101 Plays Government Imposter to Distribute Ransomware

November 15, 2019

Rewterz Threat Advisory -CVE-2019-13945 – ICS: Siemens S7-1200 CPU

Severity

Medium

Analysis Summary

An attacker with physical access to the UART interface could access additional diagnostic functionality. Successful exploitation could compromise confidentiality, integrity, and availability of the affected system.

Impact

Exposed Dangerous Method or Function

Affected Vendors

Siemens

Affected Products

S7-1200: all versions

Remediation

Siemens recommends following workarounds and mitigations that users of the S7-122 CPU can apply to reduce the risk:

Ensure physical access protection.
Apply Defense-in-Depth.

Reading this advisory was a good start.

Make it a habit.

Rewterz publishes threat advisories ahead of mainstream cybersecurity media, informed by an AI-Native Autonomous SOC that sees regional threat actor activity in real time. Subscribe to receive each new advisory as it publishes, plus a monthly Middle East threat landscape brief drawn from our own SOC telemetry. For teams evaluating their detection coverage, a 30-minute consultation with a senior analyst is also available, at your pace, when you're ready.

Request a demo