{"cve":"CVE-2011-4531","nvd":{"published":"2012-01-08T20:55:01.280","modified":"2026-06-16T23:35:00.000","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://aluigi.altervista.org/adv/almsrvx_1-adv.txt","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=content","http://support.automation.siemens.com/WW/view/en/114358","http://www.us-cert.gov/control_systems/pdf/ICSA-11-361-01.pdf","http://aluigi.altervista.org/adv/almsrvx_1-adv.txt"],"products":["siemens:automation_license_manager"],"source":"nvd","synced_at":"2026-10-19T19:59:31.623151214+00:00"},"epss":{"cve":"CVE-2011-4531","score":0.08406,"percentile":0.94987,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}