The debug interface on Janitza UMG 508, 509, 511, 604, and 605 devices does not require authentication, which allows remote attackers to read or write to files, or execute arbitrary JASIC code, via a session on TCP port 1239.
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Umg_508 | Janitza | - (including) | - (including) |
| Umg_509 | Janitza | - (including) | - (including) |
| Umg_511 | Janitza | - (including) | - (including) |
| Umg_604 | Janitza | - (including) | - (including) |
| Umg_605 | Janitza | - (including) | - (including) |
Access control involves the use of several protection mechanisms such as:
When any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc. There are two distinct behaviors that can introduce access control weaknesses: