{"id":"CVE-2023-49621","aliases":["EUVD-2023-53563","GHSA-4hpf-94w8-jpmf"],"status":"published","title":"A vulnerability has been identified in SIMATIC CN 4100 (All versions \u003c V2.7). The \"intermediate...","description":"A vulnerability has been identified in SIMATIC CN 4100 (All versions \u003c V2.7). The \"intermediate installation\" system state of the affected application uses default credential with admin privileges. An attacker could use the credentials to gain complete control of the affected device.","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/E:P/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00597,"percentile":0.49032,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1392"],"published":"2024-01-09T10:00:11Z","modified":"2026-06-17T06:36:15Z","products":[{"vendor":"siemens","product":"simatic cn 4100"},{"vendor":"siemens","product":"simatic_cn_4100_firmware"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-777015.pdf","tags":["x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-49621"},{"url":"https://github.com/advisories/GHSA-4hpf-94w8-jpmf"}],"sources":{"cve":[{"id":"CVE-2023-49621","description":"A vulnerability has been identified in SIMATIC CN 4100 (All versions \u003c V2.7). The \"intermediate installation\" system state of the affected application uses default credential with admin privileges. An attacker could use the credentials to gain complete control of the affected device.","status":"published","published":"2024-01-09T10:00:11.77Z","modified":"2025-06-17T20:39:17.414Z","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/E:P/RL:O/RC:C","level":"critical","assessor":"cna"}],"cwes":["CWE-1392"],"updated_at":"2026-11-02T14:35:13.368958Z"}],"euvd":[{"id":"EUVD-2023-53563","description":"A vulnerability has been identified in SIMATIC CN 4100 (All versions \u003c V2.7). The \"intermediate installation\" system state of the affected application uses default credential with admin privileges. An attacker could use the credentials to gain complete control of the affected device.","status":"published","published":"2024-01-09T10:00:11Z","modified":"2025-06-17T20:39:17Z","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/E:P/RL:O/RC:C","level":"critical"}],"updated_at":"2026-11-02T20:32:21.531807Z"}],"ghsa":[{"id":"GHSA-4hpf-94w8-jpmf","title":"A vulnerability has been identified in SIMATIC CN 4100 (All versions \u003c V2.7). The \"intermediate...","description":"A vulnerability has been identified in SIMATIC CN 4100 (All versions \u003c V2.7). The \"intermediate installation\" system state of the affected application uses default credential with admin privileges. An attacker could use the credentials to gain complete control of the affected device.","status":"published","published":"2024-01-09T12:30:36Z","modified":"2024-01-09T12:30:47Z","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-1392"],"updated_at":"2026-11-02T14:55:22.936224Z"}],"nvd":[{"id":"CVE-2023-49621","description":"A vulnerability has been identified in SIMATIC CN 4100 (All versions \u003c V2.7). The \"intermediate installation\" system state of the affected application uses default credential with admin privileges. An attacker could use the credentials to gain complete control of the affected device.","status":"published","published":"2024-01-09T10:15:20.503Z","modified":"2026-06-17T06:36:15.15Z","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":"secondary"}],"cwes":["CWE-1392"],"updated_at":"2026-11-02T14:09:00.788714Z"}]}}