Description
Omron CX-One CX-Programmer before 9.6, CJ2M PLC devices before 2.1, and CJ2H PLC devices before 1.5 rely on cleartext password transmission, which allows remote attackers to obtain sensitive information by sniffing the network during a PLC unlock request.
References (1)
Core 1
Core References
Third Party Advisory, US Government Resource x_refsource_misc
https://ics-cert.us-cert.gov/advisories/ICSA-15-274-01
Scores
CVSS v3
10.0
EPSS
0.0116
EPSS Percentile
63.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-200
CWE-319
Status
published
Products (3)
omron/cj2h_plc
< 1.4
omron/cj2m_plc
< 2.0
omron/cx-programmer
< 9.5
Published
Oct 06, 2015
Tracked Since
Feb 18, 2026