Security advisory

{
  "id": "f7d3f4e72d3f101d9507be5afd7c2b293a75c7f6174af8d2d726b916b776de56",
  "url": "https://osv.dev/vulnerability/CVE-2021-28148",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-28148",
    "summary": "One of the usage insights HTTP API endpoints in Grafana Enterprise 6.x before 6.7.6, 7.x before 7.3.10, and 7.4.x before 7.4.5 is accessible without any authentication. This allows any unauthenticated user to send an unlimited number of requests to the endpoint, leading to a denial of service (DoS) attack against a Grafana Enterprise instance.",
    "evidence": "osv:CVE-2021-28148",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-28148",
      "aliases": [
        "BIT-grafana-2021-28148",
        "CVE-2021-28148"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/grafana/grafana",
              "type": "GIT",
              "events": [
                {
                  "introduced": "34a9a621b6b6f14d9ad15690d0a38047905b5423"
                },
                {
                  "fixed": "86c5fe3746e70a4d58c76dc2717138eaae3f130b"
                },
                {
                  "introduced": "aee1438ff2f7a8df8d7f2b825f2af9c9edbaa8ed"
                },
                {
                  "fixed": "43e9cd2a02a7bcb955d95e6d9e330a4795380777"
                },
                {
                  "introduced": "c2203b985929c0273afe132b0df7a06859b41b24"
                },
                {
                  "fixed": "8a2c78d3f82ab36c1c53e745a755f0e63f01f360"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:grafana:grafana:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "6.0.0"
                      },
                      {
                        "fixed": "6.7.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:grafana:grafana:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "7.0.0"
                      },
                      {
                        "fixed": "7.3.10"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:grafana:grafana:*:*:*:*:enterprise:*:*:*",
                    "range": [
                      {
                        "introduced": "7.4.0"
                      },
                      {
                        "fixed": "7.4.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v7.4.4",
            "v7.4.3",
            "v7.4.2",
            "v7.4.1",
            "v7.4.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-28148.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:57.412273741Z",
      "provider": "osv",
      "references": [
        "https://community.grafana.com/t/grafana-enterprise-6-7-6-7-3-10-and-7-4-5-security-update/44724",
        "https://community.grafana.com/t/release-notes-v6-7-x/27119",
        "https://grafana.com/blog/2021/03/18/grafana-6.7.6-7.3.10-and-7.4.5-released-with-important-security-fixes-for-grafana-enterprise/",
        "https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-3-10/",
        "https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-5/",
        "https://grafana.com/products/enterprise/",
        "https://security.netapp.com/advisory/ntap-20210430-0005/",
        "https://www.openwall.com/lists/oss-security/2021/03/19/5"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-28148",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 438844,
  "published_at": "2021-03-22T15:15:14.597+00:00"
}