{"id":"CVE-2021-20836","aliases":["EUVD-2021-8248","GHSA-vphf-83wr-763v"],"status":"published","title":"Out-of-bounds read vulnerability in CX-Supervisor v4.0.0.13 and v4.0.0.16 allows an attacker with...","description":"Out-of-bounds read vulnerability in CX-Supervisor v4.0.0.13 and v4.0.0.16 allows an attacker with administrative privileges to cause information disclosure and/or arbitrary code execution by opening a specially crafted SCS project files.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00806,"percentile":0.57231,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2021-10-19T02:00:22Z","modified":"2026-06-17T03:34:30Z","products":[{"vendor":"omron","product":"cx-supervisor"},{"vendor":"omron corporation","product":"omron cx-supervisor"}],"references":[{"url":"https://www.myomron.com/index.php?action=kb\u0026article=1692","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://jvn.jp/en/vu/JVNVU90041391/index.html","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20836"},{"url":"https://github.com/advisories/GHSA-vphf-83wr-763v"}],"sources":{"cve":[{"id":"CVE-2021-20836","description":"Out-of-bounds read vulnerability in CX-Supervisor v4.0.0.13 and v4.0.0.16 allows an attacker with administrative privileges to cause information disclosure and/or arbitrary code execution by opening a specially crafted SCS project files.","status":"published","published":"2021-10-19T02:00:22Z","modified":"2024-08-03T17:53:22.875Z","updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-8248","description":"Out-of-bounds read vulnerability in CX-Supervisor v4.0.0.13 and v4.0.0.16 allows an attacker with administrative privileges to cause information disclosure and/or arbitrary code execution by opening a specially crafted SCS project files.","status":"published","published":"2021-10-19T02:00:22Z","modified":"2024-08-03T17:53:22Z","updated_at":"2026-11-03T03:25:07.874589Z"}],"ghsa":[{"id":"GHSA-vphf-83wr-763v","title":"Out-of-bounds read vulnerability in CX-Supervisor v4.0.0.13 and v4.0.0.16 allows an attacker with...","description":"Out-of-bounds read vulnerability in CX-Supervisor v4.0.0.13 and v4.0.0.16 allows an attacker with administrative privileges to cause information disclosure and/or arbitrary code execution by opening a specially crafted SCS project files.","status":"published","published":"2022-05-24T19:18:03Z","modified":"2023-01-30T05:03:07Z","cwes":["CWE-125"],"updated_at":"2026-11-02T14:46:46.047512Z"}],"nvd":[{"id":"CVE-2021-20836","description":"Out-of-bounds read vulnerability in CX-Supervisor v4.0.0.13 and v4.0.0.16 allows an attacker with administrative privileges to cause information disclosure and/or arbitrary code execution by opening a specially crafted SCS project files.","status":"published","published":"2021-10-19T03:15:06.887Z","modified":"2026-06-17T03:34:30.987Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":6,"vector":"AV:N/AC:M/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:06:59.689345Z"}]}}