id: CVE-2021-32682

info:
  name: elFinder 2.1.58 - Remote Code Execution
  author: smaranchand
  severity: critical
  description: elFinder 2.1.58 is impacted by multiple remote code execution vulnerabilities that could allow an attacker to execute arbitrary code and commands on the server hosting the elFinder PHP connector, even with minimal configuration.
  remediation: Update to elFinder 2.1.59 or later. As a workaround, ensure the connector is not exposed without authentication.
  reference:
    - https://smaranchand.com.np/2022/01/organization-vendor-application-security/
    - https://blog.sonarsource.com/elfinder-case-study-of-web-file-manager-vulnerabilities
    - https://github.com/Studio-42/elFinder/security/advisories/GHSA-wph3-44rj-92pr
    - https://nvd.nist.gov/vuln/detail/CVE-2021-32682
    - https://github.com/Studio-42/elFinder/commit/a106c350b7dfe666a81d6b576816db9fe0899b17
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2021-32682
    cwe-id: CWE-22
    epss-score: 0.96678
    epss-percentile: 0.99486
    cpe: cpe:2.3:a:std42:elfinder:*:*:*:*:*:*:*:*
  metadata:
    max-request: 9
    vendor: std42
    product: "elfinder"
    github: https://github.com/Studio-42/elFinder
  tags: cve,cve2021,elfinder,misconfig,rce,oss

http:
  - method: GET
    path:
      - "{{BaseURL}}/admin/elfinder/elfinder-cke.html"
      - "{{BaseURL}}/assets/backend/elfinder/elfinder-cke.html"
      - "{{BaseURL}}/assets/elFinder-2.1.9/elfinder.html"
      - "{{BaseURL}}/assets/elFinder/elfinder.html"
      - "{{BaseURL}}/backend/elfinder/elfinder-cke.html"
      - "{{BaseURL}}/elfinder/elfinder-cke.html"
      - "{{BaseURL}}/uploads/assets/backend/elfinder/elfinder-cke.html"
      - "{{BaseURL}}/uploads/assets/backend/elfinder/elfinder.html"
      - "{{BaseURL}}/uploads/elfinder/elfinder-cke.html"

    stop-at-first-match: true

    matchers-condition: and
    matchers:
      - type: word
        words:
          - "elfinder"
          - "php/connector"
        condition: and

      - type: status
        status:
          - 200