{"id":"CVE-2022-44456","aliases":["EUVD-2022-47399","GHSA-28g2-wc2r-qwc7"],"status":"published","title":"CONPROSYS HMI System (CHS) Ver.3.4.4?and earlier allows a remote unauthenticated attacker to...","description":"CONPROSYS HMI System (CHS) Ver.3.4.4?and earlier allows a remote unauthenticated attacker to execute an arbitrary OS command on the server where the product is running by sending a specially crafted request.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-11","score":0.69877,"percentile":0.99381,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2022-12-19T00:00:00Z","modified":"2026-06-17T05:08:23Z","products":[{"vendor":"contec","product":"conprosys_hmi_system"},{"vendor":"contec co., ltd.","product":"conprosys hmi system (chs)"},{"vendor":"contec co.,ltd.","product":"conprosys hmi system (chs)"}],"references":[{"url":"https://www.contec.com/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_chs_221014_en.pdf","tags":["x_transferred","Vendor Advisory"]},{"url":"https://www.contec.com/download/contract/contract4/?itemid=ea8039aa-3434-4999-9ab6-897aa690210c\u0026downloaditemid=866d7d3c-aae9-438d-87f3-17aa040df90b","tags":["x_transferred","Patch","Vendor Advisory"]},{"url":"https://jvn.jp/en/vu/JVNVU96873821/index.html","tags":["x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-44456"},{"url":"https://github.com/advisories/GHSA-28g2-wc2r-qwc7"}],"sources":{"cve":[{"id":"CVE-2022-44456","description":"CONPROSYS HMI System (CHS) Ver.3.4.4?and earlier allows a remote unauthenticated attacker to execute an arbitrary OS command on the server where the product is running by sending a specially crafted request.","status":"published","published":"2022-12-19T00:00:00Z","modified":"2025-04-17T14:41:58.361Z","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","assessor":"adp"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:34:30.176321Z"}],"euvd":[{"id":"EUVD-2022-47399","description":"CONPROSYS HMI System (CHS) Ver.3.4.4?and earlier allows a remote unauthenticated attacker to execute an arbitrary OS command on the server where the product is running by sending a specially crafted request.","status":"published","published":"2022-12-19T00:00:00Z","modified":"2025-04-17T14:41:58Z","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"}],"updated_at":"2026-11-02T20:52:21.593744Z"}],"ghsa":[{"id":"GHSA-28g2-wc2r-qwc7","title":"CONPROSYS HMI System (CHS) Ver.3.4.4?and earlier allows a remote unauthenticated attacker to...","description":"CONPROSYS HMI System (CHS) Ver.3.4.4?and earlier allows a remote unauthenticated attacker to execute an arbitrary OS command on the server where the product is running by sending a specially crafted request.","status":"published","published":"2022-12-19T03:30:31Z","modified":"2023-01-31T05:01:03Z","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":"2026-11-02T14:47:59.049689Z"}],"nvd":[{"id":"CVE-2022-44456","description":"CONPROSYS HMI System (CHS) Ver.3.4.4?and earlier allows a remote unauthenticated attacker to execute an arbitrary OS command on the server where the product is running by sending a specially crafted request.","status":"published","published":"2022-12-19T03:15:10.69Z","modified":"2026-06-17T05:08:23.827Z","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","assessor":"primary"},{"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":"secondary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:07:34.031641Z"}]}}