Vulnerability-Lookup

FKIE_CVE-2018-19021

Vulnerability from fkie_nvd - Published: 2019-01-25 20:29 - Updated: 2026-06-17 01:48

Severity

6.5 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

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.

References

URL	Tags
ics-cert@hq.dhs.gov	http://www.securityfocus.com/bid/106522	Third Party Advisory, VDB Entry
ics-cert@hq.dhs.gov	https://ics-cert.us-cert.gov/advisories/ICSA-19-010-01	Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108	http://www.securityfocus.com/bid/106522	Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108	https://ics-cert.us-cert.gov/advisories/ICSA-19-010-01	Third Party Advisory, US Government Resource

Impacted products

Vendor	Product	Version
emerson	deltav	*
emerson	deltav	11.3.1
emerson	deltav	11.3.2
emerson	deltav	12.3.1
emerson	deltav	13.3.1
emerson	deltav	14.3

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Emerson DeltaV",
          "vendor": "Emerson",
          "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."
            }
          ]
        }
      ],
      "source": "ics-cert@hq.dhs.gov"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:emerson:deltav:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "00E8CCB6-9595-40D1-AC55-DD9CF1DCAB98",
              "versionEndIncluding": "r6",
              "versionStartIncluding": "r5.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:emerson:deltav:11.3.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "943B3480-56C4-4131-BE8F-62FE035D4619",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:emerson:deltav:11.3.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "48E61C07-A184-42A2-910A-50A8B81E120F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:emerson:deltav:12.3.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "18C1FF31-4D2F-4678-8F7E-826F3E313EF7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:emerson:deltav:13.3.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "01456184-6B25-4029-82D4-F5BF16180D7D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:emerson:deltav:14.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "34EE3357-D4EE-4994-9466-DB82F1A858A9",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "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 podr\u00eda omitir la autenticaci\u00f3n 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 podr\u00eda permitir a un atacante provocar una denegaci\u00f3n de servicio (DoS)."
    }
  ],
  "id": "CVE-2018-19021",
  "lastModified": "2026-06-17T01:48:39.363",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "ADJACENT_NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 3.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 6.5,
        "impactScore": 2.9,
        "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": "2019-01-25T20:29:00.283",
  "references": [
    {
      "source": "ics-cert@hq.dhs.gov",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/106522"
    },
    {
      "source": "ics-cert@hq.dhs.gov",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://ics-cert.us-cert.gov/advisories/ICSA-19-010-01"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/106522"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://ics-cert.us-cert.gov/advisories/ICSA-19-010-01"
    }
  ],
  "sourceIdentifier": "ics-cert@hq.dhs.gov",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-307"
        }
      ],
      "source": "ics-cert@hq.dhs.gov",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-307"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2018-19021 (GCVE-0-2018-19021)

Vulnerability from cvelistv5 – Published: 2019-01-25 20:00 – Updated: 2024-09-17 03:52

Summary

Severity

No CVSS data available.

CWE

CWE-307 - Authentication Bypass CWE-307

Assigner

icscert icscert root

References

2 references

URL	Tags
http://www.securityfocus.com/bid/106522	vdb-entryx_refsource_BID
https://ics-cert.us-cert.gov/advisories/ICSA-19-010-01	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Emerson	Emerson DeltaV	Affected: DeltaV DCS Versions 11.3.1, 11.3.2, 12.3.1, 13.3.1, 14.3, R5.1, R6 and prior.

Date Public

2019-01-10 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T11:23:08.523Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "106522",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/106522"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://ics-cert.us-cert.gov/advisories/ICSA-19-010-01"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Emerson DeltaV",
          "vendor": "Emerson",
          "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."
            }
          ]
        }
      ],
      "datePublic": "2019-01-10T00:00:00.000Z",
      "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-307",
              "description": "Authentication Bypass CWE-307",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-01-26T10:57:01.000Z",
        "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
        "shortName": "icscert"
      },
      "references": [
        {
          "name": "106522",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/106522"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://ics-cert.us-cert.gov/advisories/ICSA-19-010-01"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "ics-cert@hq.dhs.gov",
          "DATE_PUBLIC": "2019-01-10T00:00:00",
          "ID": "CVE-2018-19021",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Emerson DeltaV",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "DeltaV DCS Versions 11.3.1, 11.3.2, 12.3.1, 13.3.1, 14.3, R5.1, R6 and prior."
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Emerson"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "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."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Authentication Bypass CWE-307"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "106522",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/106522"
            },
            {
              "name": "https://ics-cert.us-cert.gov/advisories/ICSA-19-010-01",
              "refsource": "MISC",
              "url": "https://ics-cert.us-cert.gov/advisories/ICSA-19-010-01"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
    "assignerShortName": "icscert",
    "cveId": "CVE-2018-19021",
    "datePublished": "2019-01-25T20:00:00.000Z",
    "dateReserved": "2018-11-06T00:00:00.000Z",
    "dateUpdated": "2024-09-17T03:52:35.783Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.