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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2021-28147

The team sync HTTP API in Grafana Enterprise 6.x before 6.7.6, 7.x before 7.3.10, and 7.4.x before 7.4.5 has an Incorrect Access Control issue. On Grafana instances using an external authentication service and having the EditorsCanAdmin feature enabled, this vulnerability allows any authenticated user to add external groups to any existing team. This can be used to grant a user team permissions that the user isn't supposed to have.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2021-28147
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 06:04 UTC · Revision 1

Source evidence

CVE-2021-28147

core-osv · Original source

Published 22 Mar 2021, 15:15 UTC

The team sync HTTP API in Grafana Enterprise 6.x before 6.7.6, 7.x before 7.3.10, and 7.4.x before 7.4.5 has an Incorrect Access Control issue. On Grafana instances using an external authentication service and having the EditorsCanAdmin feature enabled, this vulnerability allows any authenticated user to add external groups to any existing team. This can be used to grant a user team permissions that the user isn't supposed to have.

osv:CVE-2021-28147
Complete source record
{
  "id": "06d65cff0a28917c64841224dbcdaf0f677f2d73fd76e13f9db22bd856e2364a",
  "url": "https://osv.dev/vulnerability/CVE-2021-28147",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-28147",
    "summary": "The team sync HTTP API in Grafana Enterprise 6.x before 6.7.6, 7.x before 7.3.10, and 7.4.x before 7.4.5 has an Incorrect Access Control issue. On Grafana instances using an external authentication service and having the EditorsCanAdmin feature enabled, this vulnerability allows any authenticated user to add external groups to any existing team. This can be used to grant a user team permissions that the user isn't supposed to have.",
    "evidence": "osv:CVE-2021-28147",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-28147",
      "aliases": [
        "BIT-grafana-2021-28147",
        "CVE-2021-28147"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"
        }
      ],
      "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-2021-28147.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:34.853380540Z",
      "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-2021-28147",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 433623,
  "published_at": "2021-03-22T15:15:14.537+00:00"
}