Vulnerability · Published Jan 10, 2024 · Assigned by Dragos
CVE-2022-45794Omron CJ-series and CS-series unauthenticated filesystem access.
High 8.6
In plain English
A high-severity missing authentication 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 0.5% (higher than 45% of all known vulnerabilities).
Severity (CVSS 3.1)8.6High
Exploit odds (30 days)0.5%top 54.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An attacker with network access to the affected PLC (CJ-series and CS-series PLCs, all versions) may use a network protocol to read and write files on the PLC internal memory and memory card.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Omron | CJ-series and CS-series CPU modules | 0 |
Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N