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CVE-2018-19021

Estado: ModificadaMedia (6.5)—

A specially crafted script could bypass the authentication of a maintenance port of Emerson DeltaV DCS Versions 11.3.1, 11.3.2, 12.3.1, 13.3.1, 14.3, R5.1, R6 and prior, which may allow an attacker to cause a denial of service.

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)

Emerson — Deltav

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-19021",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.3,
          "accessVector": "ADJACENT_NETWORK",
          "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.5,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "ics-cert@hq.dhs.gov",
      "affectedData": [
        {
          "vendor": "Emerson",
          "product": "Emerson DeltaV",
          "versions": [
            {
              "status": "affected",
              "version": "DeltaV DCS Versions 11.3.1, 11.3.2, 12.3.1, 13.3.1, 14.3, R5.1, R6 and prior."
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-01-25T20:29:00.283",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/106522",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "https://ics-cert.us-cert.gov/advisories/ICSA-19-010-01",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "http://www.securityfocus.com/bid/106522",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://ics-cert.us-cert.gov/advisories/ICSA-19-010-01",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "ics-cert@hq.dhs.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-307"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-307"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A specially crafted script could bypass the authentication of a maintenance port of Emerson DeltaV DCS Versions 11.3.1, 11.3.2, 12.3.1, 13.3.1, 14.3, R5.1, R6 and prior, which may allow an attacker to cause a denial of service."
    },
    {
      "lang": "es",
      "value": "Un script especialmente manipulado podría omitir la autenticación de un puerto de mantenimiento de Emerson DeltaV DCS, en versiones 11.3.1, 11.3.2, 12.3.1, 13.3.1, 14.3, R5.1, R6 y anteriores, lo que podría permitir a un atacante provocar una denegación de servicio (DoS)."
    }
  ],
  "lastModified": "2026-06-17T01:48:39.363",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:emerson:deltav:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "00E8CCB6-9595-40D1-AC55-DD9CF1DCAB98",
              "versionEndIncluding": "r6",
              "versionStartIncluding": "r5.1"
            },
            {
              "criteria": "cpe:2.3:a:emerson:deltav:11.3.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "943B3480-56C4-4131-BE8F-62FE035D4619"
            },
            {
              "criteria": "cpe:2.3:a:emerson:deltav:11.3.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "48E61C07-A184-42A2-910A-50A8B81E120F"
            },
            {
              "criteria": "cpe:2.3:a:emerson:deltav:12.3.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "18C1FF31-4D2F-4678-8F7E-826F3E313EF7"
            },
            {
              "criteria": "cpe:2.3:a:emerson:deltav:13.3.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "01456184-6B25-4029-82D4-F5BF16180D7D"
            },
            {
              "criteria": "cpe:2.3:a:emerson:deltav:14.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "34EE3357-D4EE-4994-9466-DB82F1A858A9"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "ics-cert@hq.dhs.gov"
}