{
  "crds_version": "0.1",
  "kind": "base",
  "id": "crds:cve-2021-39226",
  "revision": 1,
  "title": "Grafana — Unauthenticated Access to Dashboard Snapshots",
  "summary": "Grafana serves dashboard snapshots to anyone who guesses their key, so unauthenticated visitors can read whatever the earliest snapshots happen to contain.",
  "source_type": "cve",
  "severity": "high",
  "cvss": {
    "score": 7.3,
    "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
    "version": "3.1"
  },
  "epss": 0.99933,
  "exploitation": {
    "known_exploited": true,
    "exploit_available": true,
    "attack_complexity": "low",
    "kev_added": "2022-08-25",
    "prerequisites": "Network access to the Grafana instance"
  },
  "remediation": {
    "patch_available": true
  },
  "mitre_attack": [
    "T1190"
  ],
  "kill_chain": "discovery",
  "recommended_action": "Upgrade Grafana to a patched release, and review which snapshots were reachable while the instance was exposed.",
  "confidence": "high",
  "provenance": [
    {
      "fields": [
        "cvss",
        "exploitation.attack_complexity",
        "exploitation.exploit_available",
        "references",
        "published_at"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2021-39226",
      "retrieved_at": "2026-08-07T16:10:10.311Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "exploitation.known_exploited",
        "exploitation.kev_added"
      ],
      "source": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "retrieved_at": "2026-08-07T16:10:10.311Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "epss"
      ],
      "source": "https://api.first.org/data/v1/epss?cve=CVE-2021-39226",
      "retrieved_at": "2026-08-07T16:10:10.311Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "title",
        "summary",
        "severity",
        "remediation",
        "mitre_attack",
        "kill_chain",
        "recommended_action",
        "confidence",
        "tags",
        "exploitation.prerequisites"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2021-39226",
      "retrieved_at": "2026-08-07T16:10:10.311Z",
      "confidence": "high",
      "extractor": "claude-code"
    }
  ],
  "references": [
    {
      "type": "cve",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-39226",
      "label": "NVD record"
    },
    {
      "type": "cisa",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "label": "CISA Known Exploited Vulnerabilities catalog"
    },
    {
      "type": "vendor_advisory",
      "url": "https://github.com/grafana/grafana/commit/2d456a6375855364d098ede379438bf7f0667269"
    },
    {
      "type": "exploit",
      "url": "https://github.com/grafana/grafana/security/advisories/GHSA-69j6-29vr-p3j9"
    },
    {
      "type": "writeup",
      "url": "http://www.openwall.com/lists/oss-security/2021/10/05/4"
    }
  ],
  "published_at": "2021-10-05T18:15:07.947Z",
  "issued_at": "2026-08-07T16:10:10.311Z",
  "tags": [
    "grafana",
    "dashboard",
    "authentication-bypass"
  ]
}