Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2023-0811

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 34.5%
CVSS Severity
CVSS v3 Score 9.1
Products affected by CVE-2023-0811


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