{"cve":"CVE-2011-3491","nvd":{"published":"2011-09-16T14:28:13.043","modified":"2026-06-16T23:33:21.530","status":"Modified","description":"Heap-based buffer overflow in Progea Movicon / PowerHMI 11.2.1085 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a negative Content-Length field.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://aluigi.altervista.org/adv/movicon_1-adv.txt","http://osvdb.org/75494","http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-256-01.pdf","https://exchange.xforce.ibmcloud.com/vulnerabilities/69787","http://aluigi.altervista.org/adv/movicon_1-adv.txt"],"products":["progea:movicon_powerhmi"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-3491","score":0.1624,"percentile":0.96946,"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."]}