{"id":"CVE-2021-33841","aliases":["EUVD-2021-20515","GHSA-56hw-2q6h-3vh6"],"status":"published","title":"Circutor SGE-PLC1000 OS command Injection","description":"SGE-PLC1000 device, in its 0.9.2b firmware version, does not handle some requests correctly, allowing a remote attacker to inject code into the operating system with maximum privileges.","severity":{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.02247,"percentile":0.83134,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2021-06-09T11:50:24Z","modified":"2026-06-17T03:55:17Z","products":[{"vendor":"circutor","product":"sge-plc1000"},{"vendor":"circutor","product":"sge-plc1000_firmware"}],"references":[{"url":"https://www.incibe.es/en/incibe-cert/notices/aviso-sci/circutor-sge-plc1000-os-command-injection","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33841"},{"url":"https://www.incibe-cert.es/en/early-warning/ics-advisories/circutor-sge-plc1000-os-command-injection"},{"url":"https://github.com/advisories/GHSA-56hw-2q6h-3vh6"}],"sources":{"cve":[{"id":"CVE-2021-33841","title":"Circutor SGE-PLC1000 OS command Injection","description":"SGE-PLC1000 device, in its 0.9.2b firmware version, does not handle some requests correctly, allowing a remote attacker to inject code into the operating system with maximum privileges.","status":"published","published":"2021-06-09T11:50:24.638Z","modified":"2024-09-16T17:59:08.672Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:33:10.204494Z"}],"euvd":[{"id":"EUVD-2021-20515","description":"SGE-PLC1000 device, in its 0.9.2b firmware version, does not handle some requests correctly, allowing a remote attacker to inject code into the operating system with maximum privileges.","status":"published","published":"2021-06-09T11:50:24Z","modified":"2024-09-16T17:59:08Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:55:36.806318Z"}],"ghsa":[{"id":"GHSA-56hw-2q6h-3vh6","title":"SGE-PLC1000 device, in its 0.9.2b firmware version, does not handle some requests correctly,...","description":"SGE-PLC1000 device, in its 0.9.2b firmware version, does not handle some requests correctly, allowing a remote attacker to inject code into the operating system with maximum privileges.","status":"published","published":"2022-05-24T19:04:40Z","modified":"2023-11-22T15:31:28Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:55:04.479575Z"}],"nvd":[{"id":"CVE-2021-33841","description":"SGE-PLC1000 device, in its 0.9.2b firmware version, does not handle some requests correctly, allowing a remote attacker to inject code into the operating system with maximum privileges.","status":"published","published":"2021-06-09T12:15:07.893Z","modified":"2026-06-17T03:55:17.71Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:06:54.439974Z"}]}}