CVE-2012-4691: Siemens Automation License Manager

Low severity, CVSS 3.3. EPSS: 0.9% chance of exploitation in the next 30 days.

Memory leak in Siemens Automation License Manager (ALM) 4.x and 5.x before 5.2 allows remote attackers to cause a denial of service (memory consumption) via crafted packets.

Affected products

• Siemens Automation License Manager: version 4.0 only; version 5.0 only; version 5.1 only

Published 2012-12-18. Last modified 2026-06-16.