GSD-2021-27661

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
Successful exploitation of this vulnerability could give an authenticated Facility Explorer SNC Series Supervisory Controller (F4-SNC) user an unintended level of access to the controller’s file system, allowing them to access or modify system files by sending specifically crafted web messages to the F4-SNC.
Aliases
Aliases
CVE-2021-27661
To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-27661",
    "description": "Successful exploitation of this vulnerability could give an authenticated Facility Explorer SNC Series Supervisory Controller (F4-SNC) user an unintended level of access to the controller\u2019s file system, allowing them to access or modify system files by sending specifically crafted web messages to the F4-SNC.",
    "id": "GSD-2021-27661"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-27661"
      ],
      "details": "Successful exploitation of this vulnerability could give an authenticated Facility Explorer SNC Series Supervisory Controller (F4-SNC) user an unintended level of access to the controller\u2019s file system, allowing them to access or modify system files by sending specifically crafted web messages to the F4-SNC.",
      "id": "GSD-2021-27661",
      "modified": "2023-12-13T01:23:35.929468Z",
      "schema_version": "1.4.0"
    }
  },
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        "DATE_PUBLIC": "2021-07-01T06:01:00.000Z",
        "ID": "CVE-2021-27661",
        "STATE": "PUBLIC",
        "TITLE": "Facility Explorer"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Facility Explorer SNC Series Supervisory Controllers (F4-SNC)",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_name": "Facility Explorer SNC Series Supervisory Controllers version 11",
                          "version_value": "11"
                        }
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                    }
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              },
              "vendor_name": "Johnson Controls"
            }
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          }
        ]
      },
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      "impact": {
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          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        }
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                "value": "CWE-269 Improper Privilege Management"
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      "references": {
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            "name": "https://www.johnsoncontrols.com/cyber-solutions/security-advisories",
            "refsource": "CONFIRM",
            "url": "https://www.johnsoncontrols.com/cyber-solutions/security-advisories"
          },
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            "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-182-01"
          }
        ]
      },
      "solution": [
        {
          "lang": "eng",
          "value": "Apply a patch to the Facility Explorer SNC Series Supervisory Controllers (F4-SNC)."
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
          {
            "children": [
              {
                "children": [],
                "cpe_match": [
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        "description": {
          "description_data": [
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              "value": "Successful exploitation of this vulnerability could give an authenticated Facility Explorer SNC Series Supervisory Controller (F4-SNC) user an unintended level of access to the controller\u2019s file system, allowing them to access or modify system files by sending specifically crafted web messages to the F4-SNC."
            }
          ]
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        "problemtype": {
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      },
      "impact": {
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          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
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        },
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            "scope": "UNCHANGED",
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        }
      },
      "lastModifiedDate": "2021-07-07T19:11Z",
      "publishedDate": "2021-07-01T14:15Z"
    }
  }
}



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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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