{
  "id": "CVE-2020-28395",
  "sourceIdentifier": "productcert@siemens.com",
  "published": "2021-01-12T21:15:18.197",
  "lastModified": "2022-12-13T17:15:13.577",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "Se ha identificado una vulnerabilidad en la familia de switch SCALANCE X-300 (incluidas las variantes X408 y SIPLUS NET) (todas las versiones anteriores a V4.1.0).&#xa0;Los dispositivos no crean una nueva clave privada \u00fanica despu\u00e9s del restablecimiento de f\u00e1brica.&#xa0;Un atacante podr\u00eda aprovechar esta situaci\u00f3n en una situaci\u00f3n de man-in-the-middle y descifrar el tr\u00e1fico capturado previamente"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "productcert@siemens.com",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-321"
        }
      ]
    },
    {
      "source": "nvd@nist.gov",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-798"
        }
      ]
    }
  ],
  "configurations": [
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:siemens:scalance_xr324-12m_firmware:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "4.1.0",
              "matchCriteriaId": "DAB9BF3B-08CB-4307-8EA4-4704E5E107A6"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:siemens:scalance_xr324-12m:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "36C9AE74-4683-4ED0-A605-3A6B065C230E"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:siemens:scalance_xr324-12m_ts_firmware:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "4.1.0",
              "matchCriteriaId": "7C7F2ADB-BC8F-480C-B3DB-7CBFFFF6604C"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:siemens:scalance_xr324-12m_ts:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "4356417E-B4CB-45B0-B395-CE9D423FAB44"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:siemens:scalance_xr324-4m_eec_firmware:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "4.1.0",
              "matchCriteriaId": "5637F52B-0887-469D-A6CD-C54996FD09D6"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:siemens:scalance_xr324-4m_eec:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "6F952542-6B79-4681-A236-15C188AAEB1E"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:siemens:scalance_xr324-4m_poe_firmware:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "4.1.0",
              "matchCriteriaId": "19EC397D-1510-4F92-94E1-7E154B1FCE1C"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:siemens:scalance_xr324-4m_poe:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "664D9C76-BC13-4874-939C-A8211DA33903"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:siemens:scalance_xr324-4m_poe_ts_firmware:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "4.1.0",
              "matchCriteriaId": "5051EBA9-94F8-4655-8D6C-D991C4348409"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:siemens:scalance_xr324-4m_poe_ts:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "4834A67B-7B0B-4F88-BBFB-25667FD68EC5"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:siemens:scalance_xr324wg_firmware:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "4.1.0",
              "matchCriteriaId": "E3AC6D32-1EDD-4DF1-B48A-D8AE73C0CA2F"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:siemens:scalance_xr324wg:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "E767C461-8FA6-4700-98CB-734AFD309140"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:siemens:scalance_xr326-2c_poe_wg_firmware:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "4.1.0",
              "matchCriteriaId": "A82CF7F5-5555-4247-9C66-48AC6E3683CC"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:siemens:scalance_xr326-2c_poe_wg:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "CBD19EFB-12D2-4401-B87A-91873528E474"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:siemens:scalance_xr328-4c_wg_firmware:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "4.1.0",
              "matchCriteriaId": "D9C73FC3-0179-418C-A5F2-E9E51D77D8B1"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:siemens:scalance_xr328-4c_wg:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "A5B7DEDC-66BD-4701-BBDD-16273263ADC9"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf",
      "source": "productcert@siemens.com",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02",
      "source": "productcert@siemens.com",
      "tags": [
        "Third Party Advisory",
        "US Government Resource",
        "Vendor Advisory"
      ]
    }
  ]
}