CVE-2011-4531: Siemens Automation License Manager

Medium severity, CVSS 5.0. EPSS: 8.4% chance of exploitation in the next 30 days.

Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via crafted content in a (1) get_target_ocx_param or (2) send_target_ocx_param command.

Affected products

• Siemens Automation License Manager: up to and including 5.1

Published 2012-01-08. Last modified 2026-06-16.