{"id":"CVE-2020-28395","aliases":["EUVD-2020-20854","GHSA-vfw8-4p7f-cjjh"],"status":"published","title":"A vulnerability has been identified in SCALANCE X-300 switch family (incl. X408 and SIPLUS NET...","description":"A vulnerability has been identified in SCALANCE X-200RNA switch family (All versions \u003c V3.2.7), SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) (All versions \u003c V4.1.0). Devices do not create a new unique private key after factory reset. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0119,"percentile":0.68211,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-321","CWE-798"],"published":"2021-01-12T00:00:00Z","modified":"2026-06-17T03:10:22Z","products":[{"vendor":"siemens","product":"scalance x-200rna switch family"},{"vendor":"siemens","product":"scalance x-300 switch family (incl. x408 and siplus net variants)"},{"vendor":"siemens","product":"scalance_xr324-12m_firmware"},{"vendor":"siemens","product":"scalance_xr324-12m_ts_firmware"},{"vendor":"siemens","product":"scalance_xr324-4m_eec_firmware"},{"vendor":"siemens","product":"scalance_xr324-4m_poe_firmware"},{"vendor":"siemens","product":"scalance_xr324-4m_poe_ts_firmware"},{"vendor":"siemens","product":"scalance_xr324wg_firmware"},{"vendor":"siemens","product":"scalance_xr326-2c_poe_wg_firmware"},{"vendor":"siemens","product":"scalance_xr328-4c_wg_firmware"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf","tags":["x_transferred","Vendor Advisory"]},{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02","tags":["x_transferred","Third Party Advisory","US Government Resource","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28395"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-061/"},{"url":"https://github.com/advisories/GHSA-vfw8-4p7f-cjjh"}],"sources":{"cve":[{"id":"CVE-2020-28395","description":"A vulnerability has been identified in SCALANCE X-200RNA switch family (All versions \u003c V3.2.7), SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) (All versions \u003c V4.1.0). Devices do not create a new unique private key after factory reset. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic.","status":"published","published":"2021-01-12T00:00:00Z","modified":"2024-08-04T16:33:59.028Z","cwes":["CWE-321"],"updated_at":"2026-11-02T14:35:57.017407Z"}],"euvd":[{"id":"EUVD-2020-20854","description":"A vulnerability has been identified in SCALANCE X-200RNA switch family (All versions \u003c V3.2.7), SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) (All versions \u003c V4.1.0). Devices do not create a new unique private key after factory reset. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic.","status":"published","published":"2021-01-12T00:00:00Z","modified":"2024-08-04T16:33:59Z","updated_at":"2026-11-03T03:07:10.123634Z"}],"ghsa":[{"id":"GHSA-vfw8-4p7f-cjjh","title":"A vulnerability has been identified in SCALANCE X-300 switch family (incl. X408 and SIPLUS NET...","description":"A vulnerability has been identified in SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) (All versions \u003c V4.1.0). Devices do not create a new unique private key after factory reset. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic.","status":"published","published":"2022-05-24T17:38:37Z","modified":"2023-01-29T05:04:58Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-321","CWE-798"],"updated_at":"2026-11-02T14:45:41.213171Z"}],"nvd":[{"id":"CVE-2020-28395","description":"A vulnerability has been identified in SCALANCE X-200RNA switch family (All versions \u003c V3.2.7), SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) (All versions \u003c V4.1.0). Devices do not create a new unique private key after factory reset. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic.","status":"published","published":"2021-01-12T21:15:18.197Z","modified":"2026-06-17T03:10:22.613Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-321","CWE-798"],"updated_at":"2026-11-02T14:06:28.892872Z"}]}}