CVE-2022-45790

Omron FINS memory protection susceptible to bruteforce

State: Published
Severity: 8.6 High
Published: Jan 22, 2024
Updated: Nov 13, 2024
Reserved: Nov 22, 2022

Description

The Omron FINS protocol has an authenticated feature to prevent access to memory regions. Authentication is susceptible to bruteforce attack, which may allow an adversary to gain access to protected memory. This access can allow overwrite of values including programmed logic.

Scores

CVSS	Score	Vector	Source
3.1	8.6 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N	Dragos

Weaknesses

CWE-307 Improper Restriction of Excessive Authentication Attempts

Affected Products

Product	Versions
CJ-series and CS-series CPU modulesOmron	CJ2H 0.0 to before 1.5Affected CJ2M 0.0 to before 2.1Affected CJ1G 0.0 to before 4.1Affected CS1H 0.0 to before 4.1Affected CS1G 0.0 to before 4.1Affected CS1D-H 0.0 to before 1.4Affected CP1E-E 0.0 to before 1.3Affected CP1E-N 0.0 to before 1.3Affected CS1D-P 0.0 to before 1.4Affected

References

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