Air Force Institute of Technology researcher Stephen Dunlap has identified vulnerabilities in Omron Corporation’s CX-Programmer software, CJ2M series programmable logic controller (PLC), and CJ2H series PLC. Omron Corporation has produced new versions that mitigate these vulnerabilities.
One of the three vulnerabilities could be exploited remotely.
The following Omron Corporation products are affected:
Successful exploitation of these vulnerabilities could result in the compromise of sensitive account information.
Impact to individual organizations depends on many factors that are unique to each organization. NCCIC/ICS-CERT recommends that organizations evaluate the impact of these vulnerabilities based on their operational environment, architecture, and product implementation.
Omron Corporation is an international company headquartered in Kyoto, Japan.
The affected product, CX-Programmer, is part of the CX-One software suite, which is used to configure and program devices such as PLCs and HMIs. The CJ2M series device is a PLC primarily used for packaging and machine automation. The CJ2H series device is a PLC used for machine automation that requires image processing inspection of electrical components and high speed sorting on conveyors. According to Omron Corporation, these products are deployed across the Critical Manufacturing sector. Omron Corporation estimates that these products are used worldwide.
The password is transmitted in clear text to unlock the PLC for modification, which leaves the password vulnerable to packet sniffing.
CVE-2015-0987b has been assigned to this vulnerability. A CVSS v3 base score of 10.0 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:H).c
Passwords are stored in source code protected project files for CX-Programmer in a recoverable format.
CVE-2015-0988e has been assigned to this vulnerability. A CVSS v3 base score of 7.5 has been assigned; the CVSS vector string is (AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:H).f
Passwords are locally stored in an object file that is saved in a Compact Flash Card in a recoverable format.
CVE-2015-1015h has been assigned to this vulnerability. A CVSS v3 base score of 7.5 has been assigned; the CVSS vector string is (AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:H).i
The clear text transmission of sensitive information vulnerability could be exploited remotely. The storage of passwords in recoverable format vulnerabilities is locally exploitable.
No known public exploits specifically target these vulnerabilities.
An attacker with low skill would be able to exploit these vulnerabilities.
Omron Corporation has released a new version of the CX-Programmer software (Version 9.6) and new versions of the CJ2M series PLC (Version 2.1) and the CJ2H Series PLC (Version 1.5), which resolve the identified vulnerabilities. Omron Corporation recommends installing the new versions as soon as possible.
The CX-Programmer software, Version 9.6, is available by auto-update service or at the following URL:
The CJ2M series PLC, Version 2.1 and the CJ2H series PLC, Version 1.5 can be obtained by contacting Omron Corporation’s Customer Care Team:
Omron Corporation’s security notice is available at the following URL:
ICS-CERT recommends that users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should consider the following:
ICS-CERT reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
ICS-CERT also provides a section for control systems security recommended practices on the ICS-CERT web page at: http://ics-cert.us-cert.gov/content/recommended-practices. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Additional mitigation guidance and recommended practices are publicly available in the ICS‑CERT Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies, that is available for download from the ICS-CERT web site (http://ics-cert.us-cert.gov/).
Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to ICS-CERT for tracking and correlation against other incidents.
For any questions related to this report, please contact the CISA at:
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For industrial control systems cybersecurity information: https://www.us-cert.gov/ics
or incident reporting: https://www.us-cert.gov/report
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