Unrated severityNVD Advisory· Published Jan 8, 2012· Updated Jun 16, 2026
CVE-2011-4531
CVE-2011-4531
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2cpe:2.3:a:siemens:automation_license_manager:*:sp1:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:siemens:automation_license_manager:*:sp1:*:*:*:*:*:*range: <=5.1
- (no CPE)range: >=4.0, <=5.1+SP1+Upd1
Patches
Vulnerability mechanics
References
4- aluigi.altervista.org/adv/almsrvx_1-adv.txtnvdExploit
- support.automation.siemens.com/WW/llisapi.dll/57252401nvdVendor Advisory
- www.us-cert.gov/control_systems/pdf/ICSA-11-361-01.pdfnvdUS Government Resource
- support.automation.siemens.com/WW/view/en/114358nvd
News mentions
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