{"cve":"CVE-2020-28395","nvd":{"published":"2021-01-12T21:15:18.197","modified":"2026-06-17T03:10:22.613","status":"Modified","description":"A vulnerability has been identified in SCALANCE X-200RNA switch family (All versions < V3.2.7), SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) (All versions < 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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","score":5.9},"cwes":["CWE-321","CWE-798"],"references":["https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf","https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02","https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf","https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02"],"products":["siemens:scalance_xr324-12m_firmware","siemens:scalance_xr324-12m_ts_firmware","siemens:scalance_xr324-4m_eec_firmware","siemens:scalance_xr324-4m_poe_firmware","siemens:scalance_xr324-4m_poe_ts_firmware","siemens:scalance_xr324wg_firmware","siemens:scalance_xr326-2c_poe_wg_firmware","siemens:scalance_xr328-4c_wg_firmware"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2020-28395","score":0.0119,"percentile":0.67968,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}