CVE-2022-31205

Name: CVE-2022-31205
Creator: NVD / NIST
Published: 2022-07-26T22:15:11.357+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.51%

Last modified Jun 17, 2026

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

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.51%

39.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-312

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: Jul 26, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-31205?

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.

Are you affected by CVE-2022-31205?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST