{
  "id": "CVE-2021-20998",
  "sourceIdentifier": "info@cert.vde.com",
  "published": "2021-05-13T14:15:18.113",
  "lastModified": "2021-05-20T20:03:56.123",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In multiple managed switches by WAGO in different versions without authorization and with specially crafted packets it is possible to create users."
    },
    {
      "lang": "es",
      "value": "En m\u00faltiples switches administrados por WAGO en diferentes versiones sin autorizaci\u00f3n y con paquetes especialmente dise\u00f1ados es posible crear usuarios"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      },
      {
        "source": "info@cert.vde.com",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 10.0,
          "baseSeverity": "CRITICAL"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.0
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ]
    },
    {
      "source": "info@cert.vde.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ]
    }
  ],
  "configurations": [
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:wago:0852-0303_firmware:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.2.3.s0",
              "matchCriteriaId": "F5CF4A95-5671-4AA5-8F27-B16A681AE82E"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:wago:0852-0303:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "3611D06D-0A64-4817-9142-5F8B9B3CB763"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:wago:0852-1305_firmware:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.1.7.s0",
              "matchCriteriaId": "A48F91CD-922D-4E76-AC7A-E132F9E26A79"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:wago:0852-1305:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "9FEC92F0-ED21-4BF9-AC9A-424EE913A6E7"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:wago:0852-1505_firmware:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.1.6.s0",
              "matchCriteriaId": "BDF3F15D-6BF7-4C47-8552-9A9275FD5066"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:wago:0852-1505:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "991752B3-8BE0-4D10-9240-51B0E4050358"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:wago:0852-1305\\/000-001_firmware:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.0.4.s0",
              "matchCriteriaId": "2BF24302-7E5C-41D7-AB57-064B94D7AF00"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:wago:0852-1305\\/000-001:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "9A91A50A-2BBB-4667-8764-C3D6C7717C3B"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:wago:0852-1505\\/000-001_firmware:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.0.4.s0",
              "matchCriteriaId": "A28B4348-CA65-406A-BDD7-748E5ED9C2B2"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:wago:0852-1505\\/000-001:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "F7F57D47-2310-4389-BE4C-7545A7DB8C07"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://cert.vde.com/en-us/advisories/vde-2021-013",
      "source": "info@cert.vde.com",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ]
}