CVE-2016-8563: Siemens Automation License Manager

High severity, CVSS 7.5. EPSS: 3% chance of exploitation in the next 30 days.

Siemens Automation License Manager (ALM) before 5.3 SP3 Update 1 allows remote attackers to cause a denial of service (ALM service outage) via crafted packets to TCP port 4410.

Affected products

• Siemens Automation License Manager: up to and including 5.3

Published 2016-10-13. Last modified 2026-06-17.