VULNERABILITY INTELLIGENCE

CVE-2011-4531

CVSS score5 MEDIUM
EPSS probability8.41%
CISA KEVNot currently listed
Published2012-01-08
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P

Description

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.

Weakness classification

  • CWE-20: Improper Input Validation

Primary references