GSD-2021-26264

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
A specially crafted script could cause the DeltaV Distributed Control System Controllers (All Versions) to restart and cause a denial-of-service condition.
Aliases
Aliases
CVE-2021-26264
To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-26264",
    "description": "A specially crafted script could cause the DeltaV Distributed Control System Controllers (All Versions) to restart and cause a denial-of-service condition.",
    "id": "GSD-2021-26264"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-26264"
      ],
      "details": "A specially crafted script could cause the DeltaV Distributed Control System Controllers (All Versions) to restart and cause a denial-of-service condition.",
      "id": "GSD-2021-26264",
      "modified": "2023-12-13T01:23:33.582947Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "ics-cert@hq.dhs.gov",
        "DATE_PUBLIC": "2021-12-21T15:34:00.000Z",
        "ID": "CVE-2021-26264",
        "STATE": "PUBLIC",
        "TITLE": "Emerson DeltaV Missing Authentication for Critical Function"
      },
      "affects": {
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            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
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                          "version_value": "n/a"
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      "credit": [
        {
          "lang": "eng",
          "value": "Sharon Brizinov of Claroty reported these vulnerabilities to Emerson."
        }
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      "data_type": "CVE",
      "data_version": "4.0",
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          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H",
          "version": "3.1"
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        "reference_data": [
          {
            "name": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-04",
            "refsource": "MISC",
            "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-04"
          }
        ]
      },
      "solution": [
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          "lang": "eng"
        }
      ],
      "source": {
        "advisory": "ICSA-21-355-04",
        "discovery": "UNKNOWN"
      }
    },
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        "nodes": [
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                "cpe23Uri": "cpe:2.3:a:emerson:deltav_workstation:-:*:*:*:*:*:*:*",
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                "vulnerable": true
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            }
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              "refsource": "MISC",
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      },
      "impact": {
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            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 4.9,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
            "version": "2.0"
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          "exploitabilityScore": 3.9,
          "impactScore": 6.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
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            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
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          "exploitabilityScore": 1.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2022-02-02T20:28Z",
      "publishedDate": "2022-01-28T20:15Z"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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