{"id":"CVE-2021-27388","aliases":["EUVD-2021-14143","GHSA-78x7-234w-r2hv"],"status":"published","title":"SINAMICS medium voltage routable products are affected by a vulnerability in the Sm@rtServer...","description":"SINAMICS medium voltage routable products are affected by a vulnerability in the Sm@rtServer component for remote access that could allow an unauthenticated attacker to cause a denial-of-service condition, and/or execution of limited configuration modifications and/or execution of limited control commands on the SINAMICS Medium Voltage Products, Remote Access (SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions).","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":"2026-11-10","score":0.01545,"percentile":0.75201,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2021-06-15T19:40:24Z","modified":"2026-06-17T03:44:46Z","products":[{"vendor":"siemens","product":"sinamics_sl150_firmware"},{"vendor":"siemens","product":"sinamics_sm150_firmware"},{"vendor":"siemens","product":"sinamics_sm150i_firmware"}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04","tags":["x_refsource_MISC","x_transferred","Not Applicable"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27388"},{"url":"https://github.com/advisories/GHSA-78x7-234w-r2hv"}],"sources":{"cve":[{"id":"CVE-2021-27388","description":"SINAMICS medium voltage routable products are affected by a vulnerability in the Sm@rtServer component for remote access that could allow an unauthenticated attacker to cause a denial-of-service condition, and/or execution of limited configuration modifications and/or execution of limited control commands on the SINAMICS Medium Voltage Products, Remote Access (SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions).","status":"published","published":"2021-06-15T19:40:24Z","modified":"2024-08-03T20:48:16.713Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:33:04.360272Z"}],"euvd":[{"id":"EUVD-2021-14143","description":"SINAMICS medium voltage routable products are affected by a vulnerability in the Sm@rtServer component for remote access that could allow an unauthenticated attacker to cause a denial-of-service condition, and/or execution of limited configuration modifications and/or execution of limited control commands on the SINAMICS Medium Voltage Products, Remote Access (SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions).","status":"published","published":"2021-06-15T19:40:24Z","modified":"2024-08-03T20:48:16Z","updated_at":"2026-11-03T03:24:49.368497Z"}],"ghsa":[{"id":"GHSA-78x7-234w-r2hv","title":"SINAMICS medium voltage routable products are affected by a vulnerability in the Sm@rtServer...","description":"SINAMICS medium voltage routable products are affected by a vulnerability in the Sm@rtServer component for remote access that could allow an unauthenticated attacker to cause a denial-of-service condition, and/or execution of limited configuration modifications and/or execution of limited control commands on the SINAMICS Medium Voltage Products, Remote Access (SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions).","status":"published","published":"2022-05-24T19:05:20Z","modified":"2023-01-29T05:07:00Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:46:08.233339Z"}],"nvd":[{"id":"CVE-2021-27388","description":"SINAMICS medium voltage routable products are affected by a vulnerability in the Sm@rtServer component for remote access that could allow an unauthenticated attacker to cause a denial-of-service condition, and/or execution of limited configuration modifications and/or execution of limited control commands on the SINAMICS Medium Voltage Products, Remote Access (SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions).","status":"published","published":"2021-06-15T20:15:11.77Z","modified":"2026-06-17T03:44:46.013Z","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":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:06:54.892562Z"}]}}