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GSD-2021-42540

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
The affected product is vulnerable to a unsanitized extract folder for system configuration. A low-privileged user can leverage this logic to overwrite the settings and other key functionality.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2021-42540",
    "description": "The affected product is vulnerable to a unsanitized extract folder for system configuration. A low-privileged user can leverage this logic to overwrite the settings and other key functionality.",
    "id": "GSD-2021-42540"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-42540"
      ],
      "details": "The affected product is vulnerable to a unsanitized extract folder for system configuration. A low-privileged user can leverage this logic to overwrite the settings and other key functionality.",
      "id": "GSD-2021-42540",
      "modified": "2023-12-13T01:23:06.684125Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
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        "DATE_PUBLIC": "2021-10-05T21:42:00.000Z",
        "ID": "CVE-2021-42540",
        "STATE": "PUBLIC",
        "TITLE": "Emerson WirelessHART Gateway"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "WirelessHART Gateway",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c=",
                          "version_name": "1410",
                          "version_value": "4.7.94"
                        },
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                          "version_affected": "\u003c=",
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                          "version_value": "4.7.94"
                        },
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                          "version_affected": "\u003c=",
                          "version_name": "1420",
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                        }
                      ]
                    }
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                ]
              },
              "vendor_name": "Emerson"
            }
          ]
        }
      },
      "credit": [
        {
          "lang": "eng",
          "value": "Amir Preminger of Claroty reported these vulnerabilities to CISA"
        }
      ],
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      "data_type": "CVE",
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            "value": "The affected product is vulnerable to a unsanitized extract folder for system configuration. A low-privileged user can leverage this logic to overwrite the settings and other key functionality."
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "impact": {
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          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-123 Write-what-where Condition"
              }
            ]
          }
        ]
      },
      "references": {
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          {
            "name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02",
            "refsource": "CONFIRM",
            "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02"
          }
        ]
      },
      "solution": [
        {
          "lang": "eng",
          "value": "Emerson recommends upgrading to v4.7.105 to address these vulnerabilities.\n\nUsers can visit the Emerson Gate Firmware site for and download instructions.\n\nIf affected users do not yet have a free Guardian account, please see the updated Emerson Gateway Firmware download process by following the link above and viewing the download guide."
        }
      ],
      "source": {
        "advisory": "https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02",
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
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        "nodes": [
          {
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              "value": "The affected product is vulnerable to a unsanitized extract folder for system configuration. A low-privileged user can leverage this logic to overwrite the settings and other key functionality."
            }
          ]
        },
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      "impact": {
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            "accessVector": "NETWORK",
            "authentication": "SINGLE",
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            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
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          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
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            "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",
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          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2021-10-28T12:45Z",
      "publishedDate": "2021-10-22T14:15Z"
    }
  }
}



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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

  • 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.
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  • 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.

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