{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:siemens:simatic_cp_442-1_rna_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "11FC5423-AE0D-40A2-A3F9-5CFEAF5A34A8",
              "versionEndExcluding": "1.5.18",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:siemens:simatic_cp_442-1_rna:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "4170F80F-3621-4D66-BA8A-86E27CB6D7E9",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:siemens:simatic_cp_443-1_rna_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "54391EC5-D10F-4937-8A39-2A008BBC2726",
              "versionEndExcluding": "1.5.18",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:siemens:simatic_cp_443-1_rna:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "4FFE9BF6-9309-477B-AEE0-A7C6A574D898",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been identified in SIMATIC CP 442-1 RNA (All versions \u003c V1.5.18), SIMATIC CP 443-1 RNA (All versions \u003c V1.5.18). The affected devices improperly handles excessive ARP broadcast requests. This could allow an attacker to create a denial of service condition by performing ARP storming attacks, which can cause the device to reboot."
    },
    {
      "lang": "es",
      "value": "Se ha identificado una vulnerabilidad en SIMATIC CP 442-1 RNA (Todas las versiones anteriores a V1.5.18), SIMATIC CP 443-1 RNA (Todas las versiones anteriores a V1.5.18). Los dispositivos afectados manejan inapropiadamente el exceso de peticiones de difusi\u00f3n ARP. Esto podr\u00eda permitir a un atacante crear una condici\u00f3n de denegaci\u00f3n de servicio llevando a cabo ataques de difusi\u00f3n ARP, que pueden causar el reinicio del dispositivo"
    }
  ],
  "id": "CVE-2022-27640",
  "lastModified": "2024-11-21T06:56:04.640",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "ADJACENT_NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.1,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 6.5,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-05-20T13:15:15.077",
  "references": [
    {
      "source": "productcert@siemens.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-480937.pdf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-480937.pdf"
    }
  ],
  "sourceIdentifier": "productcert@siemens.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ],
      "source": "productcert@siemens.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}