CVE-2020-10039: Siemens Sicam Mmu Firmware

High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days.

A vulnerability has been identified in SICAM MMU (All versions < V2.05), SICAM SGU (All versions), SICAM T (All versions < V2.18). An attacker in a privileged network position between a legitimate user and the web server might be able to conduct a Man-in-the-middle attack and gain read and write access to the transmitted data.

Affected products

• Siemens Sicam Mmu Firmware: before 2.05 (fixed in 2.05)
• Siemens Sicam Sgu Firmware: affected versions not specified
• Siemens Sicam T Firmware: before 2.18 (fixed in 2.18)

Published 2020-07-14. Last modified 2026-06-17.