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ceph — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2021-3509

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.

Products
ceph
Affected versions
Not specified
Fixed versions
14.2.21-1
CVEs
CVE-2021-3509
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 00:23 UTC · Revision 1

Source evidence

DEBIAN-CVE-2021-3509

core-osv · Original source

Published 27 May 2021, 00:15 UTC

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.

osv:DEBIAN-CVE-2021-3509

ceph

Fixed versions: 14.2.21-1

ceph

Fixed versions: 14.2.21-1

ceph

Fixed versions: 14.2.21-1

Complete source record
{
  "id": "75eb323d67db8f2c898fa546187a05f72aff111b42cbc6e1f89dd2c66c46632a",
  "url": "https://osv.dev/vulnerability/DEBIAN-CVE-2021-3509",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DEBIAN-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:DEBIAN-CVE-2021-3509",
    "products": [
      {
        "name": {
          "value": "ceph",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "14.2.21-1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "ceph",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "14.2.21-1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "ceph",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "14.2.21-1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "DEBIAN-CVE-2021-3509",
      "aliases": [
        "DEBIAN-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": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "14.2.21-1"
                }
              ]
            }
          ],
          "package": {
            "name": "ceph",
            "purl": "pkg:deb/debian/ceph?arch=source&distro=bookworm",
            "ecosystem": "Debian:12"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-3509.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "14.2.21-1"
                }
              ]
            }
          ],
          "package": {
            "name": "ceph",
            "purl": "pkg:deb/debian/ceph?arch=source&distro=trixie",
            "ecosystem": "Debian:13"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-3509.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "14.2.21-1"
                }
              ]
            }
          ],
          "package": {
            "name": "ceph",
            "purl": "pkg:deb/debian/ceph?arch=source&distro=forky",
            "ecosystem": "Debian:14"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-3509.json"
          },
          "ecosystem_specific": {
            "urgency": "not yet assigned"
          }
        }
      ],
      "modified": "2026-10-23T18:03:15.324509989Z",
      "provider": "osv",
      "upstream": [
        "CVE-2021-3509"
      ],
      "references": [
        "https://security-tracker.debian.org/tracker/CVE-2021-3509"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2021-3509",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 420971,
  "published_at": "2021-05-27T00:15:08.577+00:00"
}