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GSD-2021-37937

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
An issue was found with how API keys are created with the Fleet-Server service account. When an API key is created with a service account, it is possible that the API key could be created with higher privileges than intended. Using this vulnerability, a compromised Fleet-Server service account could escalate themselves to a super-user.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2021-37937",
    "id": "GSD-2021-37937"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-37937"
      ],
      "details": "An issue was found with how API keys are created with the Fleet-Server service account. When an API key is created with a service account, it is possible that the API key could be created with higher privileges than intended. Using this vulnerability, a compromised Fleet-Server service account could escalate themselves to a super-user.",
      "id": "GSD-2021-37937",
      "modified": "2023-12-13T01:23:09.910943Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@elastic.co",
        "ID": "CVE-2021-37937",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Elasticsearch",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "7.13.0",
                          "version_value": "7.14.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Elastic"
            }
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      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "An issue was found with how API keys are created with the Fleet-Server service account. When an API key is created with a service account, it is possible that the API key could be created with higher privileges than intended. Using this vulnerability, a compromised Fleet-Server service account could escalate themselves to a super-user."
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.1.0-dev"
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-269",
                "lang": "eng",
                "value": "CWE-269: Improper Privilege Management"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://discuss.elastic.co/t/elastic-stack-7-14-1-security-update/283077",
            "refsource": "MISC",
            "url": "https://discuss.elastic.co/t/elastic-stack-7-14-1-security-update/283077"
          },
          {
            "name": "https://www.elastic.co/community/security",
            "refsource": "MISC",
            "url": "https://www.elastic.co/community/security"
          }
        ]
      },
      "source": {
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "7.14.0",
                "versionStartIncluding": "7.13.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
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          "ID": "CVE-2021-37937"
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        "description": {
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
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                  "value": "NVD-CWE-noinfo"
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        "references": {
          "reference_data": [
            {
              "name": "https://discuss.elastic.co/t/elastic-stack-7-14-1-security-update/283077",
              "refsource": "",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://discuss.elastic.co/t/elastic-stack-7-14-1-security-update/283077"
            },
            {
              "name": "https://www.elastic.co/community/security",
              "refsource": "",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://www.elastic.co/community/security"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "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"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-11-30T18:38Z",
      "publishedDate": "2023-11-22T02:15Z"
    }
  }
}



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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.
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