CVE-2020-7589: Siemens Logo! 8 Bm Firmware

Critical severity, CVSS 9.1. EPSS: 2% chance of exploitation in the next 30 days.

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions). The vulnerability could lead to an attacker reading and modifying the device configuration and obtain project files from affected devices. The security vulnerability could be exploited by an unauthenticated attacker with network access to port 135/tcp. No user interaction is required to exploit this security vulnerability. The vulnerability impacts confidentiality, integrity, and availability of the device. At the time of advisory publication no public exploitation of this security vulnerability was known.

Affected products

• Siemens Logo! 8 Bm Firmware: any version

Published 2020-06-10. Last modified 2026-06-17.