CVE-2022-31204: omron cp1w-cif41_firmware
Vulnerability summary
CVE-2022-31204 is a high (CVSS 7.5) vulnerability in omron cp1w-cif41_firmware. EPSS estimates a 0.67% chance of exploitation in the next 30 days, higher than 51.3% of scored vulnerabilities.
Timeline
- 26-07-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Omron CS series, CJ series, and CP series PLCs through 2022-05-18 use cleartext passwords. They feature a UM Protection setting that allows users or system integrators to configure a password in order to restrict sensitive engineering operations (such as project/logic uploads and downloads). This password is set using the OMRON FINS command Program Area Protect and unset using the command Program Area Protect Clear, both of which are transmitted in cleartext.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.67%
Chance of exploitation in the next 30 days
Percentile
51%
Versus all other CVEs
30-day change
+0.02 pp
From 0.65% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Omron8 products
- cp1w-cif41_firmwarena
- cx-programmer< 9.6
- sysmac_cj2h_firmware< 1.5
- sysmac_cj2m_firmware< 2.1
- sysmac_cp1e_firmware< 1.30
1 vendor · 8 products
References
2 links- www.cisa.gov/uscert/ics/advisories/icsa-22-179-02X Refsource MISCThird Party AdvisoryUS Government Resource