CVE-2020-28395

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.

• CWE-321
• CWE-798

• https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdfVendor Advisory
• https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02Third Party Advisory, US Government Resource, Vendor Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdfVendor Advisory
• https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02Third Party Advisory, US Government Resource, Vendor Advisory

Published

Jan 12, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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