Improper control of interaction frequency in Omron products - CVE-2022-45790

Vulnerability identifier: #VU80906

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-45790

CWE-ID: CWE-799

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper control of interaction frequency within the FINS protocol. A remote attacker can perform a brute-force attack and gain access to sensitive information.

Smart Security Manager
SYSMAC CJ2H
SYSMAC CJ2M
CS1H/G-CPU
CJ1G-CPU
CS1D-CPU
CP1E-E

Install updates from vendor's website.

SYSMAC CJ2H - update to 1.5
SYSMAC CJ2M - update to 2.1
CS1H/G-CPU - update to 4.1
CJ1G-CPU - update to 4.1
CS1D-CPU - addressed in versions 1.4, 2.1
CP1E-E - update to 1.3

• https://www.cisa.gov/news-events/ics-advisories/icsa-23-262-05

• Improper control of interaction frequency in Omron CJ/CS/CP Series