CVE-2011-4531

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.

• CWE-20

• http://aluigi.altervista.org/adv/almsrvx_1-adv.txtExploit
• http://support.automation.siemens.com/WW/llisapi.dll/57252401?func=ll&objId=57252401&objAction=csView&nodeid0=17323948&lang=en&siteid=cseus&aktprim=0&extranet=standard&viewreg=WW&load=contentVendor Advisory
• http://support.automation.siemens.com/WW/view/en/114358
• http://www.us-cert.gov/control_systems/pdf/ICSA-11-361-01.pdfUS Government Resource
• http://aluigi.altervista.org/adv/almsrvx_1-adv.txtExploit
• http://support.automation.siemens.com/WW/llisapi.dll/57252401?func=ll&objId=57252401&objAction=csView&nodeid0=17323948&lang=en&siteid=cseus&aktprim=0&extranet=standard&viewreg=WW&load=contentVendor Advisory
• http://support.automation.siemens.com/WW/view/en/114358
• http://www.us-cert.gov/control_systems/pdf/ICSA-11-361-01.pdfUS Government Resource

Published

Jan 8, 2012

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2011-4524Buffer overflow in Advantech/BroadWin WebAccess before 7.0 a…
• CVE-2011-4525Advantech/BroadWin WebAccess before 7.0 allows remote attack…
• CVE-2011-4526Buffer overflow in an ActiveX control in Advantech/BroadWin …
• CVE-2011-4528Unbound before 1.4.13p2 attempts to free unallocated memory …
• CVE-2011-4529Multiple buffer overflows in Siemens Automation License Mana…
• CVE-2011-4530Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1…
• CVE-2011-4532Absolute path traversal vulnerability in the ALMListView.ALM…
• CVE-2011-4533zenAdminSrv.exe in Ing. Punzenberger COPA-DATA zenon 6.51 SP…
• CVE-2011-4534ZenSysSrv.exe in Ing. Punzenberger COPA-DATA zenon 6.51 SP0 …
• CVE-2011-4535Buffer overflow in TurboPower Abbrevia before 4.0, as used i…
• CVE-2011-4536Heap-based buffer overflow in nettransdll.dll in HistorySvr.…
• CVE-2011-4537Multiple buffer overflows in 7-Technologies (7T) Interactive…