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CVE-2020-8486

Estado: ModificadaAlta (7.8)—

Insufficient protection of the inter-process communication functions in ABB System 800xA RNRP (all published versions) enables an attacker authenticated on the local system to inject data, affect node redundancy handling.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

ABB — 800xa Rnrp

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-8486",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cybersecurity@ch.abb.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.6,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 4.7,
        "exploitabilityScore": 1.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "cybersecurity@ch.abb.com",
      "affectedData": [
        {
          "vendor": "ABB",
          "product": "800xA RNRP",
          "versions": [
            {
              "status": "affected",
              "version": "all versions"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-04-29T02:15:12.263",
  "references": [
    {
      "url": "https://search.abb.com/library/Download.aspx?DocumentID=2PAA121236&LanguageCode=en&DocumentPartId=&Action=Launch",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cybersecurity@ch.abb.com"
    },
    {
      "url": "https://search.abb.com/library/Download.aspx?DocumentID=2PAA121236&LanguageCode=en&DocumentPartId=&Action=Launch",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cybersecurity@ch.abb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Insufficient protection of the inter-process communication functions in ABB System 800xA RNRP (all published versions) enables an attacker authenticated on the local system to inject data, affect node redundancy handling."
    },
    {
      "lang": "es",
      "value": "Una protección insuficiente de las funciones de comunicación entre procesos en ABB System 800xA RNRP (todas las versiones publicadas), permite a un atacante autentificado en el sistema local inyectar datos, afectando al manejo de la redundancia de nodos."
    }
  ],
  "lastModified": "2026-06-17T03:26:27.463",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:abb:800xa_rnrp:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "54521FFC-9F9C-4CE1-8D63-3A04E7DD3690"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cybersecurity@ch.abb.com"
}