Vulnerability · Published Jan 22, 2024 · Assigned by Dragos
CVE-2022-45790Omron FINS memory protection susceptible to bruteforce
High 8.6
In plain English
A high-severity security flaw in CJ-series and CS-series CPU modules from Omron. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).
Severity (CVSS 3.1)8.6High
Exploit odds (30 days)0.9%top 40.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Omron | CJ-series and CS-series CPU modules | CJ2H 0.0 – before 1.5CJ2M 0.0 – before 2.1CJ1G 0.0 – before 4.1CS1H 0.0 – before 4.1CS1G 0.0 – before 4.1CS1D-H 0.0 – before 1.4CP1E-E 0.0 – before 1.3CP1E-N 0.0 – before 1.3 |
Weakness: CWE-307 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N