GSD-2021-27657

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
Successful exploitation of this vulnerability could give an authenticated Metasys user an unintended level of access to the server file system, allowing them to access or modify system files by sending specifically crafted web messages to the Metasys system. This issue affects: Johnson Controls Metasys version 11.0 and prior versions.
Aliases
Aliases
CVE-2021-27657
To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-27657",
    "description": "Successful exploitation of this vulnerability could give an authenticated Metasys user an unintended level of access to the server file system, allowing them to access or modify system files by sending specifically crafted web messages to the Metasys system. This issue affects: Johnson Controls Metasys version 11.0 and prior versions.",
    "id": "GSD-2021-27657"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-27657"
      ],
      "details": "Successful exploitation of this vulnerability could give an authenticated Metasys user an unintended level of access to the server file system, allowing them to access or modify system files by sending specifically crafted web messages to the Metasys system. This issue affects: Johnson Controls Metasys version 11.0 and prior versions.",
      "id": "GSD-2021-27657",
      "modified": "2023-12-13T01:23:35.451528Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "productsecurity@jci.com",
        "DATE_PUBLIC": "2021-06-04T05:01:00.000Z",
        "ID": "CVE-2021-27657",
        "STATE": "PUBLIC",
        "TITLE": "Metasys Improper Privilege Management"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Metasys",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c=",
                          "version_name": "11.0",
                          "version_value": "11.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Johnson Controls"
            }
          ]
        }
      },
      "credit": [
        {
          "lang": "eng",
          "value": "Jakub Palaczynski"
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
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            "value": "Successful exploitation of this vulnerability could give an authenticated Metasys user an unintended level of access to the server file system, allowing them to access or modify system files by sending specifically crafted web messages to the Metasys system. This issue affects: Johnson Controls Metasys version 11.0 and prior versions."
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "impact": {
        "cvss": {
          "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"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-269 Improper Privilege Management"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "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.gov/ics/advisories"
          },
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            "name": "ICS-CERT Advisory",
            "refsource": "CERT",
            "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-01"
          }
        ]
      },
      "solution": [
        {
          "lang": "eng",
          "value": "For Metasys versions previous to 9.0: Upgrade to a supported release. This is true for all the items except for Metasys Release 8.1 UL/cUL 864 UUKL 10th Edition Smoke Control."
        },
        {
          "lang": "eng",
          "value": "For Metasys versions 9.0 (engine only), 10.0, 10.1, 11.0: Install patch."
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
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            "children": [],
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                "cpe23Uri": "cpe:2.3:a:johnsoncontrols:metasys:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "11.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
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          "ID": "CVE-2021-27657"
        },
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        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Successful exploitation of this vulnerability could give an authenticated Metasys user an unintended level of access to the server file system, allowing them to access or modify system files by sending specifically crafted web messages to the Metasys system. This issue affects: Johnson Controls Metasys version 11.0 and prior versions."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
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        },
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            },
            {
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            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "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",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
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            "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"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2021-12-02T13:55Z",
      "publishedDate": "2021-06-04T15:15Z"
    }
  }
}


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Sightings

Author Source Type Date

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.