{"id":"CVE-2020-7052","aliases":["EUVD-2020-28186","GHSA-6627-xq79-x5q7"],"status":"published","title":"CODESYS Control V3, Gateway V3, and HMI V3 before 3.5.15.30 allow uncontrolled memory allocation...","description":"CODESYS Control V3, Gateway V3, and HMI V3 before 3.5.15.30 allow uncontrolled memory allocation which can result in a remote denial of service condition.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02257,"percentile":0.83107,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400","CWE-770"],"published":"2020-01-24T19:31:59Z","modified":"2026-06-17T03:24:14Z","products":[{"vendor":"codesys","product":"control_for_beaglebone"},{"vendor":"codesys","product":"control_for_empc-a\\/imx6"},{"vendor":"codesys","product":"control_for_iot2000"},{"vendor":"codesys","product":"control_for_linux"},{"vendor":"codesys","product":"control_for_pfc100"},{"vendor":"codesys","product":"control_for_pfc200"},{"vendor":"codesys","product":"control_for_plcnext"},{"vendor":"codesys","product":"control_for_raspberry_pi"},{"vendor":"codesys","product":"control_rte"},{"vendor":"codesys","product":"control_runtime_system_toolkit"},{"vendor":"codesys","product":"control_win"},{"vendor":"codesys","product":"gateway"},{"vendor":"codesys","product":"hmi"},{"vendor":"codesys","product":"safety_sil2"},{"vendor":"codesys","product":"simulation_runtime"}],"references":[{"url":"https://www.tenable.com/security/research/tra-2020-04","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://customers.codesys.com/index.php?eID=dumpFile\u0026t=f\u0026f=12977\u0026token=33f948eed0c2fd69d238d9515779be337ef7592d\u0026download=","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7052"},{"url":"https://github.com/advisories/GHSA-6627-xq79-x5q7"}],"sources":{"cve":[{"id":"CVE-2020-7052","description":"CODESYS Control V3, Gateway V3, and HMI V3 before 3.5.15.30 allow uncontrolled memory allocation which can result in a remote denial of service condition.","status":"published","published":"2020-01-24T19:31:59Z","modified":"2024-08-04T09:18:02.939Z","updated_at":"2026-11-02T14:35:58.787905Z"}],"euvd":[{"id":"EUVD-2020-28186","description":"CODESYS Control V3, Gateway V3, and HMI V3 before 3.5.15.30 allow uncontrolled memory allocation which can result in a remote denial of service condition.","status":"published","published":"2020-01-24T19:31:59Z","modified":"2024-08-04T09:18:02Z","updated_at":"2026-11-03T03:08:01.029528Z"}],"ghsa":[{"id":"GHSA-6627-xq79-x5q7","title":"CODESYS Control V3, Gateway V3, and HMI V3 before 3.5.15.30 allow uncontrolled memory allocation...","description":"CODESYS Control V3, Gateway V3, and HMI V3 before 3.5.15.30 allow uncontrolled memory allocation which can result in a remote denial of service condition.","status":"published","published":"2022-05-24T17:07:19Z","modified":"2023-01-29T05:01:15Z","cwes":["CWE-400"],"updated_at":"2026-11-02T14:44:46.468507Z"}],"nvd":[{"id":"CVE-2020-7052","description":"CODESYS Control V3, Gateway V3, and HMI V3 before 3.5.15.30 allow uncontrolled memory allocation which can result in a remote denial of service condition.","status":"published","published":"2020-01-24T20:15:10.97Z","modified":"2026-06-17T03:24:14.963Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:05:52.385274Z"}]}}