VulnerabilityModified
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.
HIGH 7.5EPSS 0.63%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.63%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.63% probability · 48th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-312
- Affected
- omron/sysmac cs1 firmware · omron/sysmac cj2m firmware · omron/sysmac cj2h firmware · omron/sysmac cp1e firmware · omron/sysmac cp1h firmware · omron/sysmac cp1l firmware · omron/cp1w-cif41 firmware
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.