nuclei-templates/http/cves/2020/CVE-2020-23015.yaml

id: CVE-2020-23015

info:
  name: OPNsense <=20.1.5 - Open Redirect
  author: 0x_Akoko
  severity: medium
  description: OPNsense through 20.1.5 contains an open redirect vulnerability via the url redirect parameter in the login page, which is not filtered. An attacker can redirect a user to a malicious site and possibly obtain sensitive information, modify data, and/or execute unauthorized operations.
  remediation: |
    Upgrade OPNsense to a version higher than 20.1.5 to mitigate the vulnerability.
  reference:
    - https://github.com/opnsense/core/issues/4061
    - https://nvd.nist.gov/vuln/detail/CVE-2020-23015
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2020-23015
    cwe-id: CWE-601
    epss-score: 0.00228
    epss-percentile: 0.60864
    cpe: cpe:2.3:a:opnsense:opnsense:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: opnsense
    product: opnsense
  tags: cve,cve2020,redirect,opnsense

http:
  - method: GET
    path:
      - '{{BaseURL}}/?url=http://interact.sh'

    matchers:
      - type: regex
        part: header
        regex:
          - '(?m)^(?:Location\s*?:\s*?)(?:https?://|//)?(?:[a-zA-Z0-9\-_]*\.)?interact\.sh(?:\s*?)$'

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