CVE-2020-28395 (GCVE-0-2020-28395)

Vulnerability from cvelistv5 – Published: 2021-01-12 00:00 – Updated: 2024-08-04 16:33
VLAI?
Summary
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.
Severity ?
No CVSS data available.
CWE
  • CWE-321 - Use of Hard-coded Cryptographic Key
Assigner
References
Impacted products
Vendor Product Version
Siemens SCALANCE X-200RNA switch family Affected: All versions < V3.2.7
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          "dateUpdated": "2024-08-04T16:33:59.028Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "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"
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        ],
        "title": "CVE Program Container"
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    "cna": {
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          "product": "SCALANCE X-200RNA switch family",
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              "version": "All versions \u003c V3.2.7"
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          "product": "SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants)",
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          "versions": [
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              "version": "All versions \u003c V4.1.0"
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      "descriptions": [
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          "lang": "en",
          "value": "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."
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          "descriptions": [
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        "dateUpdated": "2022-12-13T00:00:00.000Z",
        "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "shortName": "siemens"
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      "references": [
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          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf"
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    "datePublished": "2021-01-12T00:00:00.000Z",
    "dateReserved": "2020-11-10T00:00:00.000Z",
    "dateUpdated": "2024-08-04T16:33:59.028Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.