{"id":"CVE-2020-28391","state":"PUBLISHED","title":"A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.5), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants)","description":"A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.5), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.5.0), SCALANCE X-200RNA switch family (All versions < V3.2.7). Devices create a new unique key upon factory reset, except when used with C-PLUG. When used with C-PLUG the devices use the hardcoded private RSA-key shipped with the firmware-image. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic.","publishedAt":"2021-01-12T00:00:00.000Z","updatedAt":"2024-08-04T16:33:59.106Z","severity":null,"assigner":"siemens","products":["Siemens SCALANCE X-200 switch family (incl. SIPLUS NET variants)","Siemens SCALANCE X-200IRT switch family (incl. SIPLUS NET variants)","Siemens SCALANCE X-200RNA switch family"],"affected":[{"vendor":"Siemens","product":"SCALANCE X-200 switch family (incl. SIPLUS NET variants)","versions":[{"version":"All versions < V5.2.5","status":"affected"}]},{"vendor":"Siemens","product":"SCALANCE X-200IRT switch family (incl. SIPLUS NET variants)","versions":[{"version":"All versions < V5.5.0","status":"affected"}]},{"vendor":"Siemens","product":"SCALANCE X-200RNA switch family","versions":[{"version":"All versions < V3.2.7","status":"affected"}]}],"references":["https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf","https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02"],"weaknesses":["CWE-321"],"ingestedAt":"2026-10-29T19:47:13.795Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/28xxx/CVE-2020-28391.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-28391","state":"PUBLISHED","datePublished":"2021-01-12T00:00:00.000Z","dateUpdated":"2024-08-04T16:33:59.106Z","assignerShortName":"siemens","assignerOrgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","dateReserved":"2020-11-10T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.5), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.5.0), SCALANCE X-200RNA switch family (All versions < V3.2.7). Devices create a new unique key upon factory reset, except when used with C-PLUG. When used with C-PLUG the devices use the hardcoded private RSA-key shipped with the firmware-image. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic."}],"affected":[{"vendor":"Siemens","product":"SCALANCE X-200 switch family (incl. SIPLUS NET variants)","versions":[{"version":"All versions < V5.2.5","status":"affected"}]},{"vendor":"Siemens","product":"SCALANCE X-200IRT switch family (incl. SIPLUS NET variants)","versions":[{"version":"All versions < V5.5.0","status":"affected"}]},{"vendor":"Siemens","product":"SCALANCE X-200RNA switch family","versions":[{"version":"All versions < V3.2.7","status":"affected"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf"},{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-321","type":"CWE","lang":"en","description":"CWE-321: Use of Hard-coded Cryptographic Key"}]}],"providerMetadata":{"shortName":"siemens","orgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","dateUpdated":"2022-12-13T00:00:00.000Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf","tags":["x_transferred"]},{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T16:33:59.106Z"}}]}}}