{"id":"CVE-2020-28211","aliases":["EUVD-2020-20695","GHSA-2x9m-ghpm-wjh6"],"status":"published","title":"A CWE-863: Incorrect Authorization vulnerability exists in PLC Simulator on EcoStruxureª Control...","description":"A CWE-863: Incorrect Authorization vulnerability exists in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions) that could cause bypass of authentication when overwriting memory using a debugger.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00327,"percentile":0.26136,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2020-11-19T21:03:37Z","modified":"2026-06-17T03:10:12Z","products":[{"vendor":"schneider-electric","product":"ecostruxure_control_expert"}],"references":[{"url":"https://www.se.com/ww/en/download/document/SEVD-2020-315-07","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28211"},{"url":"https://github.com/advisories/GHSA-2x9m-ghpm-wjh6"}],"sources":{"cve":[{"id":"CVE-2020-28211","description":"A CWE-863: Incorrect Authorization vulnerability exists in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions) that could cause bypass of authentication when overwriting memory using a debugger.","status":"published","published":"2020-11-19T21:03:37Z","modified":"2024-08-04T16:33:58.139Z","cwes":["CWE-863"],"updated_at":"2026-11-02T14:35:57.017407Z"}],"euvd":[{"id":"EUVD-2020-20695","description":"A CWE-863: Incorrect Authorization vulnerability exists in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions) that could cause bypass of authentication when overwriting memory using a debugger.","status":"published","published":"2020-11-19T21:03:37Z","modified":"2024-08-04T16:33:58Z","updated_at":"2026-11-03T03:07:10.123634Z"}],"ghsa":[{"id":"GHSA-2x9m-ghpm-wjh6","title":"A CWE-863: Incorrect Authorization vulnerability exists in PLC Simulator on EcoStruxureª Control...","description":"A CWE-863: Incorrect Authorization vulnerability exists in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions) that could cause bypass of authentication when overwriting memory using a debugger.","status":"published","published":"2022-05-24T22:28:05Z","modified":"2023-01-30T05:05:15Z","cwes":["CWE-863"],"updated_at":"2026-11-02T14:47:13.933319Z"}],"nvd":[{"id":"CVE-2020-28211","description":"A CWE-863: Incorrect Authorization vulnerability exists in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions) that could cause bypass of authentication when overwriting memory using a debugger.","status":"published","published":"2020-11-19T22:15:13.41Z","modified":"2026-06-17T03:10:12.607Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:06:25.394006Z"}]}}