{"id":"CVE-2021-44222","aliases":["EUVD-2021-31071","GHSA-4mhg-63jh-q754"],"status":"published","title":"A vulnerability has been identified in SIMATIC eaSie Core Package (All versions \u003c V22.00). The...","description":"A vulnerability has been identified in SIMATIC eaSie Core Package (All versions \u003c V22.00). The underlying MQTT service of affected systems does not perform authentication in the default configuration. This could allow an unauthenticated remote attacker to send arbitrary messages to the service and thereby issue arbitrary requests in the affected system.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01373,"percentile":0.72359,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2022-07-12T10:06:30Z","modified":"2026-06-17T04:12:04Z","products":[{"vendor":"siemens","product":"simatic easie core package"},{"vendor":"siemens","product":"simatic_easie_core_package"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-580125.pdf","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44222"},{"url":"https://github.com/advisories/GHSA-4mhg-63jh-q754"}],"sources":{"cve":[{"id":"CVE-2021-44222","description":"A vulnerability has been identified in SIMATIC eaSie Core Package (All versions \u003c V22.00). The underlying MQTT service of affected systems does not perform authentication in the default configuration. This could allow an unauthenticated remote attacker to send arbitrary messages to the service and thereby issue arbitrary requests in the affected system.","status":"published","published":"2022-07-12T10:06:30Z","modified":"2024-08-04T04:17:24.864Z","cwes":["CWE-306"],"updated_at":"2026-11-02T14:33:01.166399Z"}],"euvd":[{"id":"EUVD-2021-31071","description":"A vulnerability has been identified in SIMATIC eaSie Core Package (All versions \u003c V22.00). The underlying MQTT service of affected systems does not perform authentication in the default configuration. This could allow an unauthenticated remote attacker to send arbitrary messages to the service and thereby issue arbitrary requests in the affected system.","status":"published","published":"2022-07-12T10:06:30Z","modified":"2024-08-04T04:17:24Z","updated_at":"2026-11-03T03:24:12.005069Z"}],"ghsa":[{"id":"GHSA-4mhg-63jh-q754","title":"A vulnerability has been identified in SIMATIC eaSie Core Package (All versions \u003c V22.00). The...","description":"A vulnerability has been identified in SIMATIC eaSie Core Package (All versions \u003c V22.00). The underlying MQTT service of affected systems does not perform authentication in the default configuration. This could allow an unauthenticated remote attacker to send arbitrary messages to the service and thereby issue arbitrary requests in the affected system.","status":"published","published":"2022-07-13T00:01:56Z","modified":"2023-01-27T05:06:08Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:42:50.418716Z"}],"nvd":[{"id":"CVE-2021-44222","description":"A vulnerability has been identified in SIMATIC eaSie Core Package (All versions \u003c V22.00). The underlying MQTT service of affected systems does not perform authentication in the default configuration. This could allow an unauthenticated remote attacker to send arbitrary messages to the service and thereby issue arbitrary requests in the affected system.","status":"published","published":"2022-07-12T10:15:10.05Z","modified":"2026-06-17T04:12:04.667Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:07:06.501652Z"}]}}