Rockwell Automation MicroLogix 1400 PLC 1766-L32BWA, 1766-L32AWA, 1766-L32BXB, 1766-L32BWAA, 1766-L32AWAA, and 1766-L32BXBA devices have a hardcoded SNMP community, which makes it easier for remote attackers to load arbitrary firmware updates by leveraging knowledge of this community.
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| 1766-l32awa | Rockwellautomation | - (including) | - (including) |
| 1766-l32awaa | Rockwellautomation | - (including) | - (including) |
| 1766-l32bwa | Rockwellautomation | - (including) | - (including) |
| 1766-l32bwaa | Rockwellautomation | - (including) | - (including) |
| 1766-l32bxb | Rockwellautomation | - (including) | - (including) |
| 1766-l32bxba | Rockwellautomation | - (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: