CyberRota Analysis
This is a critical severity vulnerability with a CVSS score of 9.1. See the original NVD description below for full technical details.
CVE
CVE-2023-0811
Severity
CRITICAL
CVSS
9.1
EPSS
0.62%
Original NVD 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.
Related CVEs
Other vulnerabilities affecting the same vendor(s)