cve/2023/CVE-2023-0811.md
2024-05-25 21:48:12 +02:00

1.1 KiB

CVE-2023-0811

Description

Omron CJ1M unit v4.0 and prior has improper access controls on the memory region where the UM password is stored. If an adversary issues a PROGRAM AREA WRITE command to a specific memory region, they could overwrite the password. This may lead to disabling UM protections or setting a non-ASCII password (non-keyboard characters) and preventing an engineer from viewing or modifying the user program.

POC

Reference

No PoCs from references.

Github