Security advisory

{
  "id": "c1cf806ac5395ba31a6f1e2d5d752760932075944ccfe133988414f534d64b0a",
  "url": "https://osv.dev/vulnerability/CVE-2021-3509",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-3509",
    "summary": "A flaw was found in Red Hat Ceph Storage 4, in the Dashboard component. In response to CVE-2020-27839, the JWT token was moved from localStorage to an httpOnly cookie. However, token cookies are used in the body of the HTTP response for the documentation, which again makes it available to XSS.The greatest threat to the system is for confidentiality, integrity, and availability.",
    "evidence": "osv:CVE-2021-3509",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-3509",
      "aliases": [
        "CVE-2021-3509"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ceph/ceph",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "7a1ca8d372da3b6a4fc3d221a0e5f72d1d61c27b"
                },
                {
                  "fixed": "adda853e64bdba1288d46bc7d462d23d8f2f10ca"
                },
                {
                  "fixed": "af3fffab3b0f13057134d96e5d481e400d8bfd27"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "7a1ca8d372da3b6a4fc3d221a0e5f72d1d61c27b"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "adda853e64bdba1288d46bc7d462d23d8f2f10ca"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "af3fffab3b0f13057134d96e5d481e400d8bfd27"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v14.2.20",
            "v15.2.11",
            "v16.2.3",
            "v16.2.2",
            "v16.2.1",
            "v14.2.19",
            "v15.2.10",
            "v16.2.0",
            "v14.2.18",
            "v14.2.17",
            "v15.2.9",
            "v16.1.0",
            "v14.2.13",
            "v15.2.8",
            "v14.2.16",
            "v14.2.15",
            "v15.2.7",
            "v15.2.6",
            "v14.2.14",
            "v15.2.5",
            "v14.2.12",
            "v14.2.11",
            "v15.2.4",
            "v14.2.10",
            "v15.2.3",
            "v15.2.2",
            "v15.2.1",
            "v14.2.8",
            "v14.2.5",
            "v15.2.0",
            "v16.0.0",
            "v15.1.1",
            "v14.2.7",
            "v14.2.6",
            "v14.2.3",
            "v14.2.2",
            "v14.2.1",
            "v14.2.0",
            "v15.0.0",
            "v14.0.0",
            "v13.0.0",
            "v11.0.0",
            "v0.19",
            "v0.18",
            "v0.9",
            "v0.7.3",
            "v0.7.2",
            "v0.7.1",
            "v0.6",
            "v0.5",
            "v0.4",
            "v0.2",
            "v0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3509.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:45.723950360Z",
      "provider": "osv",
      "references": [
        "https://bugzilla.redhat.com/show_bug.cgi?id=1950116",
        "https://github.com/ceph/ceph/commit/7a1ca8d372da3b6a4fc3d221a0e5f72d1d61c27b",
        "https://github.com/ceph/ceph/commit/adda853e64bdba1288d46bc7d462d23d8f2f10ca",
        "https://github.com/ceph/ceph/commit/af3fffab3b0f13057134d96e5d481e400d8bfd27",
        "https://github.com/ceph/ceph/blob/f1557e8f62d31883d3d34ae241a1a26af11d923f/src/pybind/mgr/dashboard/controllers/docs.py#L394-L409"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:redhat:ceph_storage:4.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "redhat:ceph_storage",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "4.0"
                  },
                  {
                    "last_affected": "4.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-3509",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 386107,
  "published_at": "2021-05-27T00:15:08.577+00:00"
}