CVE-2022-31205
HIGHCVSS 7.5/10EPSS 0.51%
Last modified
CVE-2022-31205 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In Omron CS series, CJ series, and CP series PLCs through 2022-05-18, the password for access to the Web UI is stored in memory area D1449...D1452 and can be read out using the Omron FINS protocol without any further authentication.. EPSS estimates a 0.51% chance of exploitation in the next 30 days.
Description
In Omron CS series, CJ series, and CP series PLCs through 2022-05-18, the password for access to the Web UI is stored in memory area D1449...D1452 and can be read out using the Omron FINS protocol without any further authentication.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Omron | Sysmac Cs1 Firmware | < 4.1 |
| Omron | Sysmac Cj2m Firmware | < 2.1 |
| Omron | Sysmac Cj2h Firmware | < 1.5 |
| Omron | Sysmac Cp1e Firmware | < 1.30 |
| Omron | Sysmac Cp1h Firmware | < 1.30 |
| Omron | Sysmac Cp1l Firmware | < 1.10 |
| Omron | Cp1w-Cif41 Firmware | All versions |
References
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-179-02Third Party Advisory, US Government Resource
- https://www.forescout.com/blog/Third Party Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-179-02Third Party Advisory, US Government Resource
- https://www.forescout.com/blog/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-31205?
In Omron CS series, CJ series, and CP series PLCs through 2022-05-18, the password for access to the Web UI is stored in memory area D1449...D1452 and can be read out using the Omron FINS protocol without any further authentication.
How severe is CVE-2022-31205?
CVE-2022-31205 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.
How do I fix CVE-2022-31205?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2022-31205?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST