{"id":"CVE-2023-22331","aliases":["EUVD-2023-26494","GHSA-fh24-27cp-jr28"],"status":"published","title":"Use of default credentials vulnerability in CONPROSYS HMI System (CHS) Ver.3.4.5 and earlier...","description":"Use of default credentials vulnerability in CONPROSYS HMI System (CHS) Ver.3.4.5 and earlier allows a remote unauthenticated attacker to alter user credentials information.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01054,"percentile":0.64621,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2023-01-20T00:00:00Z","modified":"2026-06-17T05:35:05Z","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/download/contract/contract4/?itemid=ea8039aa-3434-4999-9ab6-897aa690210c\u0026downloaditemid=866d7d3c-aae9-438d-87f3-17aa040df90b","tags":["x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.contec.com/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_chs_230110_en.pdf","tags":["x_transferred","Patch","Vendor Advisory"]},{"url":"https://jvn.jp/en/vu/JVNVU96873821","tags":["x_transferred","Patch","Third Party Advisory"]},{"url":"https://www.cisa.gov/uscert/ics/advisories/icsa-22-347-03","tags":["x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-22331"},{"url":"https://github.com/advisories/GHSA-fh24-27cp-jr28"}],"sources":{"cve":[{"id":"CVE-2023-22331","description":"Use of default credentials vulnerability in CONPROSYS HMI System (CHS) Ver.3.4.5 and earlier allows a remote unauthenticated attacker to alter user credentials information.","status":"published","published":"2023-01-20T00:00:00Z","modified":"2025-04-03T17:58:46.888Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:35:15.779187Z"}],"euvd":[{"id":"EUVD-2023-26494","description":"Use of default credentials vulnerability in CONPROSYS HMI System (CHS) Ver.3.4.5 and earlier allows a remote unauthenticated attacker to alter user credentials information.","status":"published","published":"2023-01-20T00:00:00Z","modified":"2025-04-03T17:58:46Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T20:52:43.340305Z"}],"ghsa":[{"id":"GHSA-fh24-27cp-jr28","title":"Use of default credentials vulnerability in CONPROSYS HMI System (CHS) Ver.3.4.5 and earlier...","description":"Use of default credentials vulnerability in CONPROSYS HMI System (CHS) Ver.3.4.5 and earlier allows a remote unauthenticated attacker to alter user credentials information.","status":"published","published":"2023-01-20T03:30:27Z","modified":"2023-02-03T05:07:15Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:53:57.970783Z"}],"nvd":[{"id":"CVE-2023-22331","description":"Use of default credentials vulnerability in CONPROSYS HMI System (CHS) Ver.3.4.5 and earlier allows a remote unauthenticated attacker to alter user credentials information.","status":"published","published":"2023-01-20T03:15:09.813Z","modified":"2026-06-17T05:35:05.34Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:07:45.305824Z"}]}}