{"id":"CVE-2011-4534","aliases":["EUVD-2011-4460","GHSA-7hp6-jw9m-r2cj"],"status":"published","title":"ZenSysSrv.exe in Ing. Punzenberger COPA-DATA zenon 6.51 SP0 allows remote attackers to cause a...","description":"ZenSysSrv.exe in Ing. Punzenberger COPA-DATA zenon 6.51 SP0 allows remote attackers to cause a denial of service (service crash) or possibly execute arbitrary code via a series of connections and disconnections on TCP port 1101, aka Reference Number 25212.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02412,"percentile":0.84219,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2012-02-10T19:00:00Z","modified":"2026-06-16T23:35:00Z","products":[{"vendor":"copadata","product":"zenon"}],"references":[{"url":"http://www.us-cert.gov/control_systems/pdf/ICSA-12-013-01.pdf","tags":["x_refsource_MISC","x_transferred","US Government Resource"]},{"url":"http://secunia.com/advisories/47892","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-4534"},{"url":"https://github.com/advisories/GHSA-7hp6-jw9m-r2cj"}],"sources":{"cve":[{"id":"CVE-2011-4534","description":"ZenSysSrv.exe in Ing. Punzenberger COPA-DATA zenon 6.51 SP0 allows remote attackers to cause a denial of service (service crash) or possibly execute arbitrary code via a series of connections and disconnections on TCP port 1101, aka Reference Number 25212.","status":"published","published":"2012-02-10T19:00:00Z","modified":"2024-09-17T04:04:22.986Z","updated_at":"2026-11-02T14:35:37.989579Z"}],"euvd":[{"id":"EUVD-2011-4460","description":"ZenSysSrv.exe in Ing. Punzenberger COPA-DATA zenon 6.51 SP0 allows remote attackers to cause a denial of service (service crash) or possibly execute arbitrary code via a series of connections and disconnections on TCP port 1101, aka Reference Number 25212.","status":"published","published":"2012-02-10T19:00:00Z","modified":"2024-09-17T04:04:22Z","updated_at":"2026-11-03T00:28:26.235396Z"}],"ghsa":[{"id":"GHSA-7hp6-jw9m-r2cj","title":"ZenSysSrv.exe in Ing. Punzenberger COPA-DATA zenon 6.51 SP0 allows remote attackers to cause a...","description":"ZenSysSrv.exe in Ing. Punzenberger COPA-DATA zenon 6.51 SP0 allows remote attackers to cause a denial of service (service crash) or possibly execute arbitrary code via a series of connections and disconnections on TCP port 1101, aka Reference Number 25212.","status":"published","published":"2022-05-17T05:34:16Z","modified":"2023-01-28T05:04:10Z","updated_at":"2026-11-02T14:44:07.246935Z"}],"nvd":[{"id":"CVE-2011-4534","description":"ZenSysSrv.exe in Ing. Punzenberger COPA-DATA zenon 6.51 SP0 allows remote attackers to cause a denial of service (service crash) or possibly execute arbitrary code via a series of connections and disconnections on TCP port 1101, aka Reference Number 25212.","status":"published","published":"2012-02-10T19:55:01.893Z","modified":"2026-06-16T23:35:00.3Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:02:12.272092Z"}]}}